Continental plates collide with equal density Continental Plates and are
forced upwards.
None
39. What volume of silver metal will have a mass of exactly 300.0 g. The
density of silver is 10.5 g/cm3. *
18.5 cm3
28.6 cm3
38.6 cm3
3150 cm3
40. The density of lead is 11.342 g/cm3. What would be the volume of a
400.0 g sample of this metal? *
12.3 cm3
4536.6 cm3
35.3 cm3
89 cm3
41. If two objects have the same volume but one has a greater mass, the
one with greater mass *
has a lower density
has a higher density
will float
will sink
42. If the density of water is 1 gram/cm3, this means that the mass of 100
cm3 of water should be *
100 grams
50 grams
1000 grams
1 gram
43. The density of hot an cold water are different mainly because *
the molecules in hot water move slower and are slightly cloder together
the molecules in hot water are larger
the molecules in hot water move faster and are slightly further apart
the molecules in cold water move faster and are further apart
--------------------------------------------------------------------------------
What is your name? *
Your answer
What is your science class? *
2
3
4
7
The density of an object is *
Mass divided by the volume D = m/v
Volume divided by the mass D = v/m
same as its weight
same as the size of the object
If two objects have the same volume but one has a greater mass, the one
with greater mass *
has a lower density
has a higher density
will float
will sink
If two objects have the same volume but one is made up of smaller and
heavier atoms, the one with small heavy atoms will *
be larger than the other
ne less dense than the other
be more dense than the other
have the same density
If you cut a wooden block in half, each half would have *
half the density of the original piece
twice the density of the original piece
the same density as the original piece
no density at all
If two objects have the same mass but different volumes *
the one with the larger volume has the lowest density
they must have the same density
the one with the larger vilume has the higher density
the one with the larger volume is twice as dense.
If the density of water is 1 gram/cm3, this means that the mass of 100 cm3
of water should be *
100 grams
50 grams
1000 grams
1 gram
Density is a characteristic property of a substance. This means that the
density of water *
changes depending on the volume
stays the same regardless of the volume
is greater for a greater mass of water
is less for a smaller mass of water
Woof floats in water. If you measured the mass of the same volume of
wood and water *
the water would have a greater mass
the water would have a lower mass
the mass of the wood and water would be the same
the mass of the wood and water would both be 100 grams
A carrot floats in salt water but sinks in fresh water. This is because *
salt water is more dense than fresh water
fresh water is more dense than salt water
the carrot is more dense than salt water
a larger piece of carrot has a different density
A tiny piece of sand is very light but sinks in water. This is because *
sand is a solid
sand is less dense than water
there is more water than sound
sand is more dense than water
The density of hot an cold water are different mainly because *
the molecules in hot water move slower and are slightly cloder together
the molecules in hot water are larger
the molecules in hot water move faster and are slightly further apart
the molecules in cold water move faster and are further apart
Pure Gold has a Density of 19.32 g/cm3. How large would a piece of gold
be if it had a mass of 318.97 g? *
26.5 cm3
36.5 cm3
16.5 cm3
0.06 cm3
Calculate the density of sulfuric acid if 35.4 mL of the acid is 65.14 g. *
6.35 g/mL
1.84 g/mL
10.75 g/mL
25 g
28.5 g of iron hot is added to a graduated cylinder containing 45.5 mL of
water. The water level rises to the 49.10 mL mark. From this information,
calculate the density of iron. *
8.5 g/cm3
18.75 g/cm3
29 g/cm3
7.92 g/cm3
50 g
The density of silver is 10.49 g/cm3. If a sample of pure silver has a volume
of 27 cm3, what would be its mass? *
1235 g
283.2 g
58 g
94 .5 g
A student finds a rock on the way to school. In the laboratory he determines
that the volume of the rock is 34.5 cm3, and the mass is 48.3 g. What is the
density of the rock? *
2.4 g/cm3
3.4 g/cm3
1.4 g/cm3
8.9 g/cm3
----------------------------------------------------------------------------------------------------
----------------------------
What is your name? *
Your answer
What is your science class? *
2
3
4
7
34.2 cm = ______m *
Your answer
4500.0 mg = _____g *
Your answer
7.2 L = _____mL *
Your answer
2.35 km = ______m *
Your answer
8600.0 m = ______ km *
----------------------------------------------------------------------------------------------------
----------------------------
Name: ____________________________
Class: _________
QUIZ: Solubility and Naming Compounds
Part I.
Directions: Write the symbol of the element with the charge.
Formula Charge
1. Sodium Na +1
2. Neon Ne 0
3. Nitrate No -3
4. Chlorine Ci -1
5. Magnesium Mg +2
6. Silver Ag +1
7. Sulfur S -2
8. Phosphorus P -3
9. Aluminum Al +3
10. Calcium Ca +2
Part II.
Directions: Write the name for the compounds:
11. Na3 P O4 Sodium-Pololum
12. Li2 (SO4 ) Lithium-Sulfate
13. (NH4 ) 2C O3 Ammonium-Cobalt
14. MgCl2 Magnesium-Chlorine
15. Ca(NO3 ) 2 Calcium-Nitrate
16. BeF2 Beryllium-Fluorine
Part III.
Directions: Write the chemical formula for the following compounds (Use
your ions):
17. Calcium carbonate
Ca+ 2C O3 −2
18. Ammonium phosphate
(NH4 )3P O4
19. Magnesium hydroxide
Mg+ 2O H
20. Potassium sulfate
K2 SO4
Part IV.
Directions: Determine the Mass % of Oxygen in Al2(SO4)3 or AgNO3
Atomic Mass: Al (27) S (32) O (16) Ag (108) N (14)
AI-SO-342.15 g/mol
Ag-NO-169.87 g/mol
Part V.
Directions: Write an essay about the graph below. Use data!
Vocabulary: Unsaturated, saturated, supersaturated, Ions, Heat,
Temperature, grams, solubility, chemical formula
The boiling water is supersaturated it is at 15° Temperature. It is at 70°
heat.
----------------------------------------------------------------------------------------------------
----------------------------
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 _____________.
Your Answer: the amount of salt in the water
Correct
+1 / 1 point(s)
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 ____________.
Your Answer: the temperature
Correct
+1 / 1 point(s)
3. In an experiment, the factor that we measure and is on the Y-axis is
called the ____________.
Your Answer: dependent variable
Correct
+1 / 1 point(s)
4. In an experiment, the one variable that is changed by the experimenter is
called the _____________.
Your Answer: independent variable
Correct
+1 / 1 point(s)
5. If you were measuring the mass of a fly, you should use ____________.
Your Answer: grams
Correct
+1 / 1 point(s)
6. If you wanted to know the volume of water in a small can of soda, you
would use ______________.
Your Answer: milliliters
Correct
+1 / 1 point(s)
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?
Your Answer: Plant A
Correct
+1 / 1 point(s)
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?
Your Answer: Group A is the control group; Group B is the experimental
group
Incorrect
0 / 1 point(s)
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 _____________.
Your Answer: there is no dependent variable
Incorrect
0 / 1 point(s)
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?
Your Answer: the response of the plants to each substance
Correct
+1 / 1 point(s)
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:
Your Answer: water
Incorrect
0 / 1 point(s)
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.
Your Answer: Corn without fertilizer
Incorrect
0 / 1 point(s)
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 _____.
Your Answer: time spent exercising
Correct
+1 / 1 point(s)
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 _____.
Your Answer: dependent variable
Incorrect
0 / 1 point(s)
15. In a controlled experiment, the independent variable is ____.
Your Answer: the results of the experiment - it goes on the y-axis
Incorrect
0 / 1 point(s)
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?
Your Answer: If the amount of nutrients is changed, then the amount of
bread mold will change.
Incorrect
0 / 1 point(s)
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:
Your Answer: number of containers at each temperature
Incorrect
0 / 1 point(s)
18. What is the independent variable in the experiment found in the link
below?
Your Answer: the amount of water received weekly
Incorrect
0 / 1 point(s)
19. In the experiment found on the link, all of the following variables must
be held constant EXCEPT
Your Answer: amount of time given light
Correct
+1 / 1 point(s)
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?
Your Answer: 800 g
Correct
+1 / 1 point(s)
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?
Your Answer: 3 g/cm3
Correct
+1 / 1 point(s)
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.
Your Answer: 7.5 g/cm3
Correct
+1 / 1 point(s)
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?
Your Answer: Gold
Correct
+1 / 1 point(s)
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.
Your Answer: 7.92 g/cm3
Incorrect
0 / 1 point(s)
25. 43.2 m = __________ mm
Your Answer: 0.432
Incorrect
0 / 1 point(s)
26. 8700 mL = ________ L
Your Answer: 0.087
Incorrect
0 / 1 point(s)
27. 5.9 km = _____________ m
Your Answer: 0.059
Incorrect
0 / 1 point(s)
28. 756.0 cg = _____________ g
Your Answer: 0.0756
Incorrect
0 / 1 point(s)
29. 23,000 mm = _____________ m
Your Answer: 230
Correct
+1 / 1 point(s)
30. Metric Unit for Mass
Your Answer: GRAMS
Incorrect
0 / 1 point(s)
31. Metric Unit for Density of a Solid
Your Answer: g/mL
Incorrect
0 / 1 point(s)
32. Metric Unit for Density of a Liquid
Your Answer: g/cm3
Incorrect
0 / 1 point(s)
33. Which appliance is used twice as many hours on the weekends as it is
on weekdays?
Your Answer: Computer
Correct
+1 / 1 point(s)
34.On average, how many hours is the computer used on a weekday?
Your Answer: 2
Incorrect
0 / 1 point(s)
35. Which 2 objects are the same substance?
Your Answer: 1 and 2
Incorrect
0 / 1 point(s)
36. What would the mass of the gold in B if the volume is 50% of A?
Your Answer: 250 g
Correct
+1 / 1 point(s)
37. Why does the Oceanic Plate sink below the Continental Plate in the
picture?
Your Answer: The Oceanic Plate made of Basalt is MORE DENSE than the
Continental Plate made of Granite.
Incorrect
0 / 1 point(s)
38. Why are mountains such as the Himalayans formed? Study the picture.
Your Answer: Continental Plates are MORE dense than Oceanic Plates
Correct
+1 / 1 point(s)
39. What volume of silver metal will have a mass of exactly 300.0 g. The
density of silver is 10.5 g/cm3.
Your Answer: 28.6 cm3
Incorrect
0 / 1 point(s)
40. The density of lead is 11.342 g/cm3. What would be the volume of a
400.0 g sample of this metal?
Your Answer: 4536.6 cm3
Incorrect
0 / 1 point(s)
41. If two objects have the same volume but one has a greater mass, the
one with greater mass
Your Answer: will float
Incorrect
0 / 1 point(s)
42. If the density of water is 1 gram/cm3, this means that the mass of 100
cm3 of water should be
Your Answer: 50 grams
Incorrect
0 / 1 point(s)
43. The density of hot an cold water are different mainly because
Your Answer: the molecules in hot water are large
----------------------------------------------------------------------------------------------------
------------------------
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Enea Veizaj (Class of 2022) - Blue Science Portfolio
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