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Enea Veizaj (Class of 2022) - Blue Science Portfolio

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Published by eveizaj, 2018-06-07 14:16:29

Enea Veizaj (Class of 2022) - Blue Science Portfolio

Enea Veizaj (Class of 2022) - Blue Science Portfolio

 
Blue team Science Portfolio

 

 
 
 
 

By: Enea Veizaj 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

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QUIZ: Motion 

 

Name: ________________________ Date: 

___________ 

 

Formulas:p 

 

A = v2 -v1 T2 V2 = V1 + (a * T) T = V2 - V1a   

 

After traveling for 14.0 seconds, a bicyclist reaches a speed of 89 m/s. 

What is the runner’s acceleration? 

A = v2 - v1/T2 

A = 89 m/s - 0 m/s14 sec. 

A = 6.35714286 m/s 

 

A car starting from rest accelerates at a rate of 18.0 m/s/s. What is its final 

speed at the end of 5.0 seconds? 

V2 = V1 + (a * T) 

V2 = 0 m/s + (18.0 m/s2 * 5 sec.) 

V2 = 90m/s 
A cyclist accelerates at a rate of 16.0 m/s2. How long will it take the cyclist 
to reach a speed of 49 m/s? 
T = V2 - V1/a 
T = 49 m/s - 0 m/s16 m/s2 
T = 3.0625 m/s 
 
 
 
 

 
Hans stands at the rim of the Grand Canyon and yodels down to the 
bottom. He hears his yodel back from the canyon floor 6.0 s later. Assume 
that the speed of sound in air is 740.0 m/s. How deep is the canyon? 
D = V * T 
D = 740 m/s * 3.0 sec. 
D = 2220 m/s 
 
 
The tortoise and the hare are in a road race to defend the honor of their 
breed. The tortoise crawls the entire 1000. m distance at a speed of 0.35 
m/s while the rabbit runs the first 200.0 m at 1.85 m/s The rabbit then 
stops to take a nap for 1.200 hr and awakens to finish the last 800.0 m with 
an average speed of 4.2 m/s. Who wins the race and by how much time? 
 
 

Tortoise: 
 
Tortoise 
T = D/V 
T = 1000 m/0.35 m/s 
T = 2857.1 
seconds 
 
 
Rabbit 1st 
T = D/V 
T = 200 m/1.85 m/s 
T = 108.1 
sec. 
Rabbit 2nd 
1.2 hr * 3600 sec. 
 
T = 4320sec. 
Rabbit 3rd 
T = D/V 
T = 800 m/4.2 m/s 
T = 190.5sec. 
 
 
 
Question: Which animal wins the race? Evidence 

The fastes animal to win the race is Rabbit 1st, with a time of 108.1 which 
is faster than the other animals time. 
 
 
 
 
 
 
What is the Acceleration of the Cart on the Ramp? Determine the Angle of 
the Ramp (A). 
Angle Chart: 
https://drive.google.com/open?id=0B4RmhXJlHvo1YXZhcDNMSDNSMXc 
Which Angle had the greatest Acceleration? Write a Conclusion based on 
your findings. Create a Graph if you have time.Graph: 
 
Height of Ramp 
(Opposite) 
Dist. 1 
Time 1 
Velocity 1 
Dist. 2 
Time 2 
Velocity 2 
Acceleration 
 
50 m 

100 m 
10 sec. 
V = D/T 
V = 100/10 
V = 10 
100 m 
5 sec. 
V = D/T 
100/5 
V = 20 m/s 
A = 20-10/5 
2 m/s2 
 
100 m 
100 m 
5 sec. 
V = D/T 
100/5 
V=20 m/s 
100 m 
2 sec. 
V=D/T 
100/2 
V=50 m/s 
  
15 m/s2 

 
Conclusion: 
The purpose of this lab was to find out which ramp had the greatest 
acceleration. The hypothesis was that if then angle increases then the 
acceleration __________. Data from the 2 examples in data table to prove 
your hypothesis, 
 
 
 
-------------------------------------------------------------------------------------------------------------------------
--- 
 
 
QUIZ: Phase Changes 2017 
Calculate Heat Energy: 
Apply the following Equations: 
Heat = Mass * Heat of Fusion 
Heat = Mass * Change in Temperature * SH 
Heat = Mass * Heat of Vaporization 
Data Table: 
Metal 
Mass 
Heat of Fusion 
(cal/g) 
Melting Pt. (C) 
Boiling Pt. (C)  

Heat of Vaporization 
(cal/g) 
Specific Heat (cal/gC) 
Heat Energy 
(cal) 
Water 
37 g 
80  

100 
540 

 
 
Silver 
37 g 
26 
961 
2212 
2356 
0.057 
 
 
 
Directions: Determine the Heat Energy required to completely evaporate the 
substances in the data table. 

 
*SHOW ALL MATH STEPS 
Math Steps (____ out of 4) 
Water 
Heat= m * Hfustion  
Heat= 37g * 80 cal/g 
Heat= 2960 Calories 
It is now a Liquid 


MP to BP 
Heat= m * Change in Temperature * SH 
Heat= 37g * 100C * 1 Cal/gC 
Heat= 3700 Calories 


Heat=m * Hvaporization 
Heat=37g * 540 cal/g 
Heat= 19980 Calories 
 
Total= 26640 Calories 
 
 
 
 
 
 
Scientific Notation: 

 
B. Silver 
Heat= m * Hfustion 
Heat=37g * 26 cal/g 
Heat=962 Calories  
 
MP to BP 
Heat=m * Change in Temperature * SH 
Heat=37g * 1251C * 0.057 cal/gC 
Heat= 2638.359 Calories  
 
Heat=m * Hvaporization   
Heat=37g * 2356 cal/g 
Heat= 87172 Calories 
 
Total= 90772.359 Calories 
 
 
 
Scientific Notation:  
 
 
 
 
 
 

 
Graph your Results:  
 
 
 
 
 
 
 
 
 
Writing (_____ out of 4) 
Questions:  
How are Heat and Temperature different for the following pictures of 
boiling water? Explain: (Hint: Use the Heat equation) Heat is the total 
energy of molecular motion in a substance while temperature is a measure 
of the average energy of molecular motion in a substance. 

 
 
 
 
2. How can you use the unit (cal/gC) to explain the difference between 
Water and Silver? 
Calories describes how much energy your body could get from eating or 
drinking So you know if it is water or food. And gC is how heavy something 
is and what type of material it is. 

 

3. Would it be possible for there to be solid oxygen on another planet? 
Explain: 

Oxygen Melting Point: -218 C = -35 

Oxygen Boiling Point: -183 C = -35 

No because the melting point could not Exist on another planet besides 
earth. 

 

 

 

 

 

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--- 

 

QUIZ: Motion 

 

Name: ________________________ Date: 
___________ 

 

Formulas:p 

 

A = v2 -v1 T2 V2 = V1 + (a * T) T = V2 - V1a   

 

After traveling for 14.0 seconds, a bicyclist reaches a speed of 89 m/s. 
What is the runner’s acceleration? 

A = v2 - v1/T2 
A = 89 m/s - 0 m/s14 sec. 
A = 6.35714286 m/s 
 
A car starting from rest accelerates at a rate of 18.0 m/s/s. What is its final 
speed at the end of 5.0 seconds? 
V2 = V1 + (a * T) 
V2 = 0 m/s + (18.0 m/s2 * 5 sec.) 
V2 = 90m/s 
A cyclist accelerates at a rate of 16.0 m/s2. How long will it take the cyclist 
to reach a speed of 49 m/s? 
T = V2 - V1/a 
T = 49 m/s - 0 m/s16 m/s2 
T = 3.0625 m/s 
 
 
 
 

 
Hans stands at the rim of the Grand Canyon and yodels down to the 
bottom. He hears his yodel back from the canyon floor 6.0 s later. Assume 
that the speed of sound in air is 740.0 m/s. How deep is the canyon? 
D = V * T 
D = 740 m/s * 3.0 sec. 
D = 2220 m/s 
 

 
The tortoise and the hare are in a road race to defend the honor of their 
breed. The tortoise crawls the entire 1000. m distance at a speed of 0.35 
m/s while the rabbit runs the first 200.0 m at 1.85 m/s The rabbit then 
stops to take a nap for 1.200 hr and awakens to finish the last 800.0 m with 
an average speed of 4.2 m/s. Who wins the race and by how much time? 
 
 
Tortoise: 
 
Tortoise 
T = D/V 
T = 1000 m/0.35 m/s 
T = 2857.1 
seconds 
 
 
Rabbit 1st 
T = D/V 
T = 200 m/1.85 m/s 
T = 108.1 
sec. 
Rabbit 2nd 
1.2 hr * 3600 sec. 
 
T = 4320sec. 

Rabbit 3rd 
T = D/V 
T = 800 m/4.2 m/s 
T = 190.5sec. 
 
 
 
Question: Which animal wins the race? Evidence 
The fastes animal to win the race is Rabbit 1st, with a time of 108.1 which 
is faster than the other animals time. 
 
 
 
 
 
 
What is the Acceleration of the Cart on the Ramp? Determine the Angle of 
the Ramp (A). 
Angle Chart: 
https://drive.google.com/open?id=0B4RmhXJlHvo1YXZhcDNMSDNSMXc 
Which Angle had the greatest Acceleration? Write a Conclusion based on 
your findings. Create a Graph if you have time.Graph: 
 
Height of Ramp 
(Opposite) 
Dist. 1 

Time 1 
Velocity 1 
Dist. 2 
Time 2 
Velocity 2 
Acceleration 
 
50 m 
100 m 
10 sec. 
V = D/T 
V = 100/10 
V = 10 
100 m 
5 sec. 
V = D/T 
100/5 
V = 20 m/s 
A = 20-10/5 
2 m/s2 
 
100 m 
100 m 
5 sec. 
V = D/T 
100/5 

V=20 m/s 
100 m 
2 sec. 
V=D/T 
100/2 
V=50 m/s 
  
15 m/s2 
 
Conclusion: 
The purpose of this lab was to find out which ramp had the greatest 
acceleration. The hypothesis was that if then angle increases then the 
acceleration __________. Data from the 2 examples in data table to prove 
your hypothesis, 
 
 
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Unit 1: Uniform MotionName_______________________________ 
Worksheet 8 Date__________________Period________ 
 
Speed and Velocity Problems 
 
What is the average speed of a cheetah that sprints 100 m in 4 s? How 
about if it sprints 50 m in 2 s? 

V = D/T 

V = 100 m/4 sec 
V = 25 m/s 
 
If a car moves with an average speed of 60 km/hr for an hour, it will travel a 
distance of 60 km. How far will it travel if it continues this average rate for 
4 hrs? 
  D = V * T 
D = 60 km/hr * 4 hrs 
D = 2400 
A runner makes one lap around a 200 m track in a time of 25.0 s. What 
was the runner's average speed? Answer: 8.0 m/s 
V = D/T 
V = 60km/25.5s  
V = 2.4  
Light and radio waves travel through a vacuum in a straight line at a speed 
of very nearly 3.00 × 108 m/s. How far is light year (the distance light 
travels in a year)? Answer: 9.50 × 1015 m. 
D = V*T 
D = (3.00 X 108 m/s)(3.15*107) 
D =  
A motorist travels 406 km during a 7.0 hr period. What was the average 
speed in km/hr and m/s? Answers: 58 km/hr, 16 m/s. 
V = D/T 
V = 406km/7hr 
V = 58 

A bullet is shot from a rifle with a speed of 720 m/s. What time is required 
for the bullet to strike a target 3240 m away? Answer: 4.5 s. 

V = D/T 
V = 3240/720 
V = 4.5 
Light from the sun reaches the earth in 8.3 minutes. The speed of light is 
3.0 × 108 m/s. In kilometers, how far is the earth from the sun? 
Answer: 1.5 × 108 km. 
D = V*T 
D = 108*498  
D = 53784  
*An auto travels at a rate of 25 km/hr for 4 minutes, then at 50 km/hr for 8 
minutes, and finally at 20 km/hr for 2 minutes. Find the total distance 
covered in km and the average speed for the complete trip in m/s. 
Answers: 9 km, 10.7 m/s. 
D =  
*If you traveled one mile at a speed of 100 miles per hour and another mile 
at a speed of 1 mile per hour, your average speed would not be (100 mph + 
1 mph)/2 or 50.5 mph. What would be your average speed? (Hint: What is 
the total distance and total time?) Answer: 1.98 mph. 
 
*What is your average speed in each of these cases?   
You run 100 m at a speed of 5.0 m/s and then you walk 100 m at a speed 
of 1.0 m/s.   
You run for 100 s at a speed of 5.0 m/s and then you walk for 100 s at a 
speed of 1.0 m/s. Answers: 1.7 m/s, 3.0 m/s. 
 

*A race car driver must average 200 km/hr for four laps to qualify for a 
race. Because of engine trouble, the car averages only 170 km/hr over the 
first two laps. What average speed must be maintained for the last two 
laps? 
 
*A car traveling 90 km/hr is 100 m behind a truck traveling 50 km/hr. How 
long will it take the car to reach the truck? 
 
The peregrine falcon is the world's fastest known bird and has been 
clocked diving downward toward its prey at constant vertical velocity of 
97.2 m/s. If the falcon dives straight down from a height of 100. m, how 
much time does this give a rabbit below to consider his next move as the 
falcon begins his descent? 
More Speed and Velocity Problems 
 
Hans stands at the rim of the Grand Canyon and yodels down to the 
bottom. He hears his yodel back from the canyon floor 5.20 s later. 
Assume that the speed of sound in air is 340.0 m/s. How deep is the 
canyon? 
 
The horse racing record for a 1.50 mi. track is shared by two horses: Fiddle 
Isle, who ran the race in 143 s on March 21, 1970, and John Henry, who ran 
the same distance in an equal time on March 16, 1980. What were the 
horses' average speeds in:   
mi/s?   
mi/hr? 
 

For a long time it was the dream of many runners to break the "4-minute 
mile." Now quite a few runners have achieved what once seemed an 
impossible goal. On July 2, 1988, Steve Cram of Great Britain ran a mile in 
3.81 min. During this amazing run, what was Steve Cram's average speed 
in:   

mi/min?   

mi/hr? 

 

It is now 10:29 a.m., but when the bell rings at 10:30 a.m. Suzette will be 
late for French class for the third time this week. She must get from one 
side of the school to the other by hurrying down three different hallways. 
She runs down the first hallway, a distance of 35.0 m, at a speed of 3.50 
m/s. The second hallway is filled with students, and she covers its 48.0 m 
length at an average speed of 1.20 m/s. The final hallway is empty, and 
Suzette sprints its 60.0 m length at a speed of 5.00 m/s. 

Does Suzette make it to class on time or does she get detention for 
being late again? 

Draw a distance vs. time graph of the situation. (Assume constant 
speeds for each hallway.) 

 

During an Apollo moon landing, reflecting panels were placed on the moon. 
This allowed earth-based astronomers to shoot laser beams at the moon's 
surface to determine its distance. The reflected laser beam was observed 
2.52 s after the laser pulse was sent. The speed of light is 3.0 × 108 m/s. 
What was the distance between the astronomers and the moon? 

 

For many years, the posted highway speed limit was 88.5 km/hr (55 mi/hr) 
but in recent years some rural stretches of highway have increased their 
speed limit to 104.6 km/hr (65 mi/hr). In Maine, the distance from Portland 
to Bangor is 215 km. How much time can be saved in making this trip at 
the new speed limit? 
 
The tortoise and the hare are in a road race to defend the honor of their 
breed. The tortoise crawls the entire 1000. m distance at a speed of 
0.2000 m/s while the rabbit runs the first 200.0 m at 2.000 m/s The rabbit 
then stops to take a nap for 1.300 hr and awakens to finish the last 800.0 m 
with an average speed of 3.000 m/s. Who wins the race and by how much 
time? 
 
Two physics professors challenge each other to a 100. m race across the 
football field. The loser will grade the winner's physics labs for one month. 
Dr. Rice runs the race in 10.40 s. Dr. De La Paz runs the first 25.0 m with an 
average speed of 10.0 m/s, the next 50.0 m with an average speed of 9.50 
m/s, and the last 25.0 m with an average speed of 11.1 m/s. Who gets 
stuck grading physics labs for the next month? 
 
 
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--- 

Scientific Method

Directions: ​Read the following description of an experiment and complete
the components of the scientific method.

Experiment:
Option #1: P​ atrick believed that fish would become smarter and complete
a maze faster if they ate food that was placed in a microwave first. He had
100 fish that he could use for the experiment. He evaluated their
intelligence based on their time to complete the maze.

Option #2:​ Mr. Smithers believed that Caffeine may make people more
alert. Mr. Smithers tested 100 people by using their scores in the same
video game. Devin had 3 different brands of drinks with 10 g, 20 g, and 30
g of caffeine respectively. He measured their scores on a video game that
had a range of 0-1000 points. Some of the players were not given caffeine
drinks. on the game

*Help Mr. Smithers design an effective experiment and write a conclusion
that analyzes your results.

Problem Statement
If Patrick believes that if the fishes eat microwaved fish food them they
will pass the maze faster swim faster.

Hypothesis
The fish will swim faster if they eat microwaved foods, Then they
will pass the maze faster.

Independent Variable
The cooked food
that were
microwaves

Dependent Variable
The time they swim

Constants​ (Pick 2) The fish
The time that the finish the maze

Control
The maze​ that the fish have to complete

Basic Procedures​:

(List 5-8 steps)

1. Purpose
2.Hypothesis
3.Variable
4.Data
5.Improvement
6.Conclusion

Data Table:​ (Place data table here)

Time of the maze The food the fish did Fish that ate cooked
not eat that was not food
cooked food
2-5 mins
8- 4 mins

Hypothesis: The fish that did not eat cooked food will finish the maze the
fastest

Graph:​ (Place graph here)

Conclusion:
Purpose, Hypothesis, Description, Data or evidence, Improvements,
Conclusion
The purpose of this is to see if cooked food will help fish swim faster or not
cooked food. My hypothesis is that the fish that did not eat cooked food will
be the faster one to finish the maze.The fish that did not eat cooked food
finished faster than the fish that did eat cooked food. In the data it shows
the fish that did and did not eat cooked food is 8 ½, Also the time they
passed the maze was 2 mins.

 

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------------------------

I. Investigation Design
A. Problem Statement:

How do you use density to identify unknown mentals

B. Hypothesis:

If density is known then unknown metals can be correctly identified.
Because every mental has its own specific metal

C. Independent Variable: x
Levels of IV

copper bronze aluminum zinc brass tin

D. Dependent Variable:y
Density (g/cm>)

E. Constants: Balance Procedures
Water

F. Control:
Water (1g/cm3​ )​

G. Materials: (List with numbers)
1.

H. Procedures: (List with numbers and details)
1.

II. Data Collection
A. Qualitative Observations:

B. Quantitative Observations: (Key data)
1. Data Table

2. Graph

3. Calculations

Show 3 Math Examples

Copper

D = m/v

D= 27 g
3 cm3

D = 9 g/cm​3
III. Data Analysis/Conclusion

IV. Research and Applications
5 6-8 sentences about your topic
*How does Density relate to Plate Tectonics?

V. References and Citations
● 2 or 3 web links

----------------------------------------------------------------------------------------------------
------------------------
QUIZ: Classifying Matter

I. Directions: I​ dentify the following as either a Heterogeneous Mixture,

Homogeneous Mixture, Element or Compound. Write the following letters

in Column B for your choices:

A. Heterogeneous

B. Homogeneous

C. Element

D. Compound

Column A Column B

Salad A

Copper C

Lemonade C

Rocks, sand, gravel A

Salt Water B

Gold D

Sodium Chloride ​(NaCl) B

Air (Oxygen, nitrogen, carbon C
monoxide…)

K​2S​ O4​ C
B
Twix, snickers, pretzels, popcorn in
a bag

II. Directions:​ Determine the Mass % of each mixture and construct the

appropriate graphs.

Mixture A Mass (g) %

Large Rocks 125 52%

Small Rocks 75 32%

Coarse Sand 32 75%

Iron 9 27%

Mixture B Mass (g) %
Large Rocks 205 18%
Small Rocks 58 67%
Coarse Sand 97 40%
Iron 29
7%

Calculation Examples ​(Provide 2 Examples showing how you determined
the Mass %)

Graphs:

Mixture A

Mixture B

Part III.​ Determine the Mass % of Elements in each Compound:
K​2S​ O​4​ - Potassium Sulfate
(Show Math Here)

Na​3​PO4​ ​ - Sodium Phosphate
(Show Math Here)

Graphs:

IV. Conclusion:
1. Explain the difference between Mixtures and Compounds using data.

Compare the pie charts.

2. ​Explain how you separated the Salt from the Sand. Use as much new
vocabulary as you can.

 

-------------------------------------------------------------------------------------------------------------------------

--- 

QUIZ: Phase Changes 2017
Calculate Heat Energy:

Apply the following Equations:

Heat = Mass * Heat of Fusion

Heat = Mass * Change in Temperature * SH
Heat = Mass * Heat of Vaporization
Data Table:

Metal Mass Heat Melting Boili Heat of Specif Heat

of Pt.​ (C) ng Vaporizati ic Energ

Fusio Pt. on Heat y
n (C) (cal/g) (cal/gC (cal)
(cal/g) )
Water 0 100 540
Silver 37 g 80 961 2212 2356 1

37 g 26 0.057

Directions: ​Determine the Heat Energy required to completely evaporate
the substances in the data table.

*SHOW ALL MATH STEPS
Math Steps (____ out of 4)
A. Water
Heat= m * H​fustion
Heat= 37g * 80 cal/g
Heat= 2960 Calories
It is now a Liquid

+
MP to BP
Heat= m * Change in Temperature * SH
Heat= 37g * 100C * 1 Cal/gC
Heat= 3700 Calories

+
Heat=m * H​vaporization
Heat=37g * 540 cal/g
Heat= 19980 Calories

Total= 26640 Calories

Scientific Notation:

B. Silver
Heat= m * Hf​ ustion
Heat=37g * 26 cal/g
Heat=962 Calories

MP to BP
Heat=m * Change in Temperature * SH
Heat=37g * 1251C * 0.057 cal/gC
Heat= 2638.359 Calories

Heat=m * H​vaporization
Heat=37g * 2356 cal/g
Heat= 87172 Calories

Total= 90772.359 Calories

Scientific Notation:

Graph your Results:

Writing (_____ out of 4)
Questions:
How are Heat and Temperature different for the following pictures of
boiling​ water? Explain:​ (Hint: Use the Heat equation)​ Heat is the total
energy of molecular motion in a substance while temperature is a
measure of the average energy of molecular motion in a substance.

2. How can you use the unit (cal/gC) to explain the difference between
Water and Silver?
Calories describes how much energy your body could get from eating
or drinking So you know if it is water or food. And gC is how heavy
something is and what type of material it is.

3. Would it be possible for there to be solid oxygen on another
planet? Explain:
Oxygen Melting Point: -218 C = -35
Oxygen Boiling Point: -183 C = -35
No because the melting point could not Exist on another planet besides
earth.

 
------------------------------------------------- 
 
Metric Measurement 
 
Research the history of the Metric System. 

What are the Base Units for Length, Mass, Volume and Temperature? 
Why is the Metric System easier to use? 
Measure the Length and Width of your desk in m, cm, and mm. Construct a 
Data Table to record the information. 
What is the area of your desk in square cm? Include in the data table. 
Measure the height of 3 classmates in meters. Record on a data table. 
What is the area of a cabinet door in square cm? 
How many km is it from NY to LA? How many meters? 
How many km from the Earth to the Sun? How many meters? 
What is the length of 3 objects of your choice in the classroom? 
How many meters long was the Titanic? How many kilometers? 
 
-------------------------------------------------------------------------------------------------------- 
Scientific Method 
 
Directions: Read the following description of an experiment and complete 
the components of the scientific method. 
 
Experiment:  
Option #1: Patrick believed that fish would become smarter and complete a 
maze faster if they ate food that was placed in a microwave first. He had 
100 fish that he could use for the experiment. He evaluated their 
intelligence based on their time to complete the maze.  
  
Option #2: Mr. Smithers believed that Caffeine may make people more 
alert. Mr. Smithers tested 100 people by using their scores in the same 

video game. Devin had 3 different brands of drinks with 10 g, 20 g, and 30 g 
of caffeine respectively. He measured their scores on a video game that 
had a range of 0-1000 points. Some of the players were not given caffeine 
drinks. on the game 
 
*Help Mr. Smithers design an effective experiment and write a conclusion 
that analyzes your results. 
 
Problem Statement 
If Patrick believes that if the fishes eat microwaved fish food them they 
will pass the maze faster swim faster.  
 
Hypothesis 
The fish will swim faster if they eat microwaved foods, Then they will pass 
the maze faster. 
 
Independent Variable 
The cooked food that were microwaves 
 
 
 
 
 
 
 
 

Dependent Variable 
The time they swim  
 
Constants (Pick 2) 
The time that the finish the maze 
The fish  
 
 
Control 
The maze that the fish have to complete 
 
 
 
Basic Procedures: 
(List 5-8 steps) 
1. Purpose 
2.Hypothesis 
3.Variable 
4.Data 
5.Improvement  
6.Conclusion 
 
 
Data Table: (Place data table here) 
 
 

 
The food the fish did not eat that was not cooked food 
Fish that ate cooked food 
Time of the maze 
8- 4 mins 
2-5 mins  
 
Hypothesis: The fish that did not eat cooked food will finish the maze the 
fastest 
 
 
Graph: (Place graph here) 
  
 
 
Conclusion:  
Purpose, Hypothesis, Description, Data or evidence, Improvements, 
Conclusion 
The purpose of this is to see if cooked food will help fish swim faster or not 
cooked food. My hypothesis is that the fish that did not eat cooked food 
will be the faster one to finish the maze.The fish that did not eat cooked 
food finished faster than the fish that did eat cooked food. In the data it 
shows the fish that did and did not eat cooked food is 8 ½, Also the time 
they passed the maze was 2 mins 
-------------------------------------------------------------------------------- 
What is your name? *​  

Your answer 
What is your science class? ​* 





1. A scientist conducted an experiment to determine how the amount of 
salt in a body of water affects the number of plants that can live in the 
water. In this experiment the dependent variable is _____________. *​  

the amount of salt in the water 
the temperature of the water 
the number of plants in the water 
the water 
2. A scientist hypothesizes that the temperature at which an alligator's egg 
is incubated will determine whether the alligator will be male or female. The 
independent variable is ____________. ​* 

the gender of the alligator 
the incubator 
the temperature 
the male alligators 
3. In an experiment, the factor that we measure and is on the Y-axis is 
called the ____________. *​  

independent variable 
dependent variable 
conclusion 

constant 
4. In an experiment, the one variable that is changed by the experimenter is 
called the _____________. ​* 

independent variable 
dependent variable 
experimental variable 
constant 
5. If you were measuring the mass of a fly, you should use ____________. ​* 

meters 
grams 
kilograms 
liters 
6. If you wanted to know the volume of water in a small can of soda, you 
would use ______________. *​  

milliliters 
pounds 
Liters 
kilograms 
7. A scientist who wants to study the affects of fertilizer on plants sets up 
an experiment. Plant A gets no fertilizer, Plant B gets 5 mg. of fertilizer 
each day, and Plant C gets 10mg. of fertilizer each day. Which plant is the 
control? *​  

Plant A 
Plant B 
Plant C 

None 
8. Victoria grows the same bacteria in 20 petri dishes. She places 10 of the 
dishes in a container with a normal atmosphere. The remaining dishes she 
places in a container in which the oxygen level is double the normal level. 
She labels the first group "A" and the second group "B". Which of the 
following best describes the groups? *​  

Group A is the control group; Group B is the experimental group 
Group A is the experimental group; Group B is the control group 
Group A is the hypothesis; Group B is the theory 
Group A is the control group; Group B is the observation 
Group A is the theoretical group; Group B is the hypothetical group 
9. Homer notices that his shower is covered in a strange green slime. 
Homer decides to spray half of the shower with coconut juice thinking this 
will kill the slime. He sprays the other half of the shower with water. After 3 
days of "treatment" the green slime on the coconut juice side of the shower 
dies. The dependent variable in his experiment is _____________. *​  

coconut juice 
there is no dependent variable 
the amount of the green slime 
water 
10. For an experiment, a scientist put lime at the base of tomato plant A 
and baking soda at the base of tomato plant B. She then sealed the plants 
in plastic bags. Tomato plant A eventually died, and tomato plant B stayed 
healthy. What is the Independent Variable in this experiment? *​  

the types of plant grown for the test 
the response of the plants to each substance 

the substance at the base of each plant 
the plastic bags wrapped around each plant 
11. I am trying to clean my bathroom because it has mold on the bottom. I 
was told to use oxy clean to get it up. I use oxy clean on half of the 
bathroom and water on the other half. The control is: ​* 

water 
oxy clean 
bathroom 
time 
12. A scientist plants two rows of corn for experimentation. She puts 
fertilizer on row 1 but does not put fertilizer on row 2. Both rows receive the 
same amount of water and light intensity. She checks the growth of the 
corn over the course of 5 months. What is a constant in this experiment. ​* 

Amount of water 
Corn without fertilizer 
Corn with fertilizer 
Plant height 
13. A student wants to conduct an experiment to find out how pulse rates 
changes as the length of time spent exercising increases. The dependent 
variable will be _____. ​* 

breathing rate 
pulse rate 
time spent exercising 
the kind of exercise 

14. A student hypothesized that the amount of sunlight a sunflower plant 
receives determines the number of sunflower seeds the plant produces. In 
her experiment, the number of seeds produced is the _____. *​  

dependent variable 
independent variable 
constant 
control 
15. In a controlled experiment, the independent variable is ____. ​* 

the results of the experiment - it goes on the y-axis 
the variable that stays the same 
changed to test the hypothesis - it goes on the x-axis 
always time 
16. Sarah wanted to find out if temperature has an effect on the growth of 
bread mold. She grew the mold in nine Petri dishes containing the same 
amount and type of nutrients. Three were kept at 0 C, three were kept at 90 
C, and three were kept at room temperature, 27 C. The containers were 
examined and the growth of the bread mold was recorded each Friday for 
five weeks. Which of the following is her hypothesis? ​* 

If there are different types of nutrients used, then that will cause 
differences in the amount of bread mold. 
If the amount of nutrients is changed, then the amount of bread mold will 
change. 
If the temperature changes then the amount of bread mold will change. 
If the number of containers change, then the amount of bread mold will 
change. 

17. Sarah wanted to find out if temperature has an effect on the growth of 
bread mold. She grew the mold in nine Petri dishes containing the same 
amount and type of nutrients. Three were kept at 0 C, three were kept at 90 
C, and three were kept at room temperature, 27 C. The containers were 
examined and the growth of the bread mold was recorded each Friday for 
five weeks. The independent variable is: *​  

growth of bread mold 
temperature of the containers 
number of containers at each temperature 
amount of nutrients in each container 
18. What is the independent variable in the experiment found in the link 
below? ​* 
Link: 
https://docs.google.com/document/d/1_AWFgHyfLv4wgeSgxpngGaZuwg
bJmSkrDreKB8UB2GE/edit 

the intensity or brightness of the light 
color of the light 
the amount of water received weekly 
the temperature of the room 
19. In the experiment found on the link, all of the following variables must 
be held constant EXCEPT *​  
Link: 
https://docs.google.com/document/d/1_AWFgHyfLv4wgeSgxpngGaZuwg
bJmSkrDreKB8UB2GE/edit 

the intensity or brightness of the light 
amount of time given light 

the temperature of the room 
color of the light 
20. An unknown substance from planet X has a density of 10 g/mL. It 
occupies a volume of 80 mL. What is the mass of this unknown substance? 


0.8 g 
21.0 g 
523 g 
800 g 
21. A graduated cylinder has 22 mL of water placed in it. An irregularly 
shaped rock is then placed in the graduated cylinder and the volume of the 
rock and water in the graduated cylinder now reads 30 mL . The mass of 
the rock is 24 g. What is the density of the rock? ​* 

72 g/cm3 
5 g/cm3 
12 g/cm3 
3 g/cm3 
22. A rectangular solid of unknown density is 5 cm long, 2 cm high, and 4 
cm wide. The mass of this solid is 300 grams. Given this information for 
this homogeneous material, calculate the density. *​  

12,000 g/cm3 
7.5 g/cm3 
57 g/cm3 
120 g/cm3 
23. Silver has a density of 10.5 g/cm3 and gold has a density of 19.3 g/cm3 
. Which would have a greater mass, 5 cm3 of silver or 5 cm3 of gold? ​* 

Gold 
Silver 
Aluminum 
Same mass 
24. A 28.5 g of iron is added to a graduated cylinder containing 45.5 mL of 
water. The water level rises to the 49.1 mark. Calculate the density. ​* 

7.92 g/cm3 
15.6 g/cm3 
325 g/cm3 
100 g/cm3 
25. 43.2 m = __________ mm *​  

4.32 
0.432 
43,200 
0.0432 
26. 8700 mL = ________ L *​  

870.0 
8.7 
0.087 
87,000 
27. 5.9 km = _____________ m *​  

0.059 
59 
5,900 
59,000 

28. 756.0 cg = _____________ g ​* 

7.56 
75,000 
756 
0.0756 
29. 23,000 mm = _____________ m *​  

2.3 
23.0 
230 
2300 
30. Metric Unit for Mass *​  

LITERS 
METERS 
GRAMS 
SECONDS 
31. Metric Unit for Density of a Solid *​  

g/cm 
g/mL 
g/cm3 
cm/g 
32. Metric Unit for Density of a Liquid *​  

mL/g 
cm3/g 
g/cm3 

g/mL 
33. Which appliance is used twice as many hours on the weekends as it is 
on weekdays? *​  
Link: 
https://docs.google.com/document/d/1EB6i09-fsWPq_atYYmGxrckDLhmK
38HZsK3geN37f4E/edit 

Lights 
TV 
Computer 
Fridge 
34.On average, how many hours is the computer used on a weekday? ​* 
Link: 
https://docs.google.com/document/d/1EB6i09-fsWPq_atYYmGxrckDLhmK
38HZsK3geN37f4E/edit 





35. Which 2 objects are the same substance? *​  
Link: 
https://docs.google.com/spreadsheets/d/113l--gKxPIiLDY4pJEvlhIPo2ncc
ec-uOATRhM6lHd8/edit#gid=0 

1 and 2 
2 and 3 
1 and 4 
1 and 3 

36. What would the mass of the gold in B if the volume is 50% of A? *​  
Link: 
https://docs.google.com/document/d/1TJr89sX26IaO-dG2m7J8nZjJ2yWJ
t0ZV2y7Nq6DAgvI/edit 

250 g 
1000 g 
2000 g 
500 g 
37. Why does the Oceanic Plate sink below the Continental Plate in the 
picture? *​  
Link: 
https://docs.google.com/document/d/1PS0jZRQQxaUzroLvOGOrzLGE010
TXG9Z4wne9zW9KkI/edit 

The Continental Plate is made of Basalt and is MORE DENSE than the 
Oceanic Plate. 
The Oceanic Plate made of Basalt is MORE DENSE than the Continental 
Plate made of Granite. 
The Continental Plate is EQUAL in Density to the Oceanic Plate. 
None 
38. Why are mountains such as the Himalayans formed? Study the picture. 

Link: 
https://docs.google.com/document/d/1u9JkVaBZVdnN3Rip1vsxrsljUVkPa
bfQnDttwOvNW2M/edit 

Continental and Oceanic Plate have the SAME densities 
Continental Plates are MORE dense than Oceanic Plates 


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