Grade 1 - Life Science

WRAP-UP

WRAP UP

Lesson 1: How Are Animals Grouped? Group the children into three groups and write the Big Idea of the
• Animals can be grouped in many ways, such chapter on the board.

as by size, movement, or body covering. Animals are classified in many ways.
• Some animals have a backbone, such as
Ask each group a different question:
mammals, birds, reptiles, amphibians, and fish. ASK How can you group animals?
• Other animals, like insects, do not have a 1st group:

backbone. 2nd group: ASK How do animals grow and change
3rd group: differently according to its life cycle?
Lesson 2: How Do Animals Grow and Change?
• A life cycle is the way living things grow ASK How are animals and their parents alike?

and change. How do animals respond to changes to
• A tadpole is a very young frog. survive?
• A larva is a young insect.
After each group has had a few minutes to discuss their answers,
Lesson 3: How Are Animals Alike and Different? have a volunteer from each group state the answers. Write the
• Young animals and their parents can be alike responses on the board.

in shape but different in color. KWL GRAPHIC ORGANIZER
• Animals of the same kind are always a little bit
Review the KWL graphic organizer. Encourage children to fill in the
different from one another. L column with what they learned. Help children compare what
• Animals respond to changes around them. they knew before starting the chapter, K; wanted to learn, W; and
what they have learned, L.
313

Concept Map

Encourage children make their own concept
map for what they learned in the chapter.
Here is an example.

Animals

With Grow and Like their parents but Without
backbone change they are not exactly the same backbone

Insects

Mammals Birds Reptiles Amphibians Fish

313

EVALUATE

ESTIMATED TIME 10 MIN 1 Identify Fill in the spaces with the following

words. larva • birds • amphibian • parents

Read the directions aloud. a A frog is an _______________________________.
b __________________ help their young.
IDENTIFY c A __________________ is a young insect.

a. amphibian 2 Classify Circle the animals that have a
b. Parents
c. larva backbone.

Help children to fill in the space with the correct response. 3 Sequence

CLASSIFY Draw the next step in the life cycle.

tiger, fish, dog 4 Identify Circle the correct answer.

Help children to identify and then circle the vertebrates. a These dogs have the same:
• color
SEQUENCE • size
• shape
adult butterfly
314

If children have difficulty identifying the missing life cycle stage to
draw, have them think about what comes after pupa.

IDENTIFY

a. shape

314

EVALUATE

b The tadpole breathes with its IDENTIFY
• lungs
• gills b. gills
• skin
DESCRIBE
5 Describe Look at the picture.
The mother is feeding its young.
What is the mother bird doing?
If children have difficulties answering, remind them of how animal
________________________________________ parents help their young.

6 Infer INFER

How does this animal move? by swimming

________________________________________ IMPORTANT DETAILS

________________________________________

Important Details

7 Fill in the chart with two details you

know about insects.

Insects are animals

Insects are
animals

315

Insects have Insects have
no backbone. six legs.

If children have difficulties filling in the chart, review the
characteristics of insects.

315

ESTIMATED TIME 45 MIN How Can You Make a Knee Pad?

How Can You Make a Knee Pad? Living things have body parts that help them.
For example, our knees are very important to
Teacher Background our body. They help us walk and run.

Living things have parts that help them survive. We can benefit Children like to run and play. When children
from observing living things in their environment. For example, fall on the ground, they may hurt their knees.
engineers get ideas from animals by mimicking how animals Children wear knee pads to protect their
protect themselves: fish have scales, reptiles such as crocodiles knees. They can wear knee pads when they
have scaly skin, and tortoises have hard shells. These parts protect bike, skate, or play other sports.
the bodies of living things.
You will make knee pads.
We can use different pads to protect our bodies from wounds or Your knee pads should be
scratches such as elbow pads or knee pads. These pads provide strong and comfortable.
support and safety during playing or working. Pads have to be You will choose materials.
soft and strong to provide comfort and suitable protection to your Think about the best way
body parts. to make your knee pads.
Test them and compare
them with the knee pads
your classmates make.

316

Learning Objectives

• Define the problem.
• Plan and build the model.
• Test the model.
• Share and evaluate the model.
• Describe how living things protect

themselves.

NGSS STANDARDS

1-LS1-1: Use materials to design a solution to
a human problem by mimicking how plants
and/or animals use their external parts to help
them survive, grow, and meet their needs.

316

Find a Problem BEFORE THE STEAM ACTIVITY

1 You will make something to protect your Share the provided background information. Then, use these
questions to help children prepare for the activity.
knees. What will you make?
_____________________________________________ ASK What do you know about how animals protect
_____________________________________________ themselves?
_____________________________________________ Possible answers: fish have scales, reptiles have
_____________________________________________ scaly skin
Plan and Build
ASK What might happen if you fall on the ground?
2 Draw what you will build. Possible answer: I may be hurt.

ASK What is the problem you are going to solve?
Possible answer: Protect myself from cutting my
knees.

TELL Tell children that in this activity they will plan, build,
test, evaluate, and improve a knee pad. Help the
children to think about how these materials may or
may not be useful for building their knee pads.

317 1 Possible answer: knee pads

2 Drawings will vary.

Materials

Athletic socks, plastic bags, pair of scissors,
rubber bands, sponge, and adhesive strips.

Safety Precaution

Children should be careful when using any
sharp-edged tools.

317

3 Suggested materials: athletic socks, plastic bags, scissors, 3 What materials will you use?

rubber bands, sponge, adhesive strips ______________________________________________
______________________________________________
4 Suggested steps:
4 How will you make your knee pads? Write how
a. Cut the toes open on a pair of athletic socks.
b. Fold the socks twice to make four layers. you will do this. Then draw your knee pads.
c. Place the folded socks just above the knee. ______________________________________________
d. Tie a plastic bag around the folded socks. ______________________________________________
e. Bend the knee to check the flexibility of the pad. ______________________________________________
f. Repeat all of the steps for another knee pad.

Encourage children to sketch out their model.

318

318

5 Refer to your drawing to make your knee pads. 6 Suggested drawing:
6 Draw a picture of your knee pads. Write about your

knee pads.

______________________________________________

______________________________________________

Test the Model 7 Lengths will vary.

7 Measure the length of your knee pads. 8 Discuss with children the different ways to test their knee

The length of the knee pad is ______________________. pads. Tell them that they can ask friends to help test it with
them.
8 How can you test your knee pads?

___________________________________________________
___________________________________________________
Try it. ____________________

319

319

9 Possible answers: They protected my knees and felt flexible. 9 What happened when you tested your

10 Possible answer: Yes, they are. knee pads?
______________________________________________
11 12 Encourage children to share their design and start ______________________________________________

comparing it with other designs of their classmates. 10 Are your knee pads strong and comfortable?
Guide them to compare fabric and design.
______________________________________________
______________________________________________
Share and Evaluate Your Model

11 Compare your knee pads with a classmate’s

knee pads. How are the knee pads alike?
______________________________________________
______________________________________________

12 How are the knee pads different?

______________________________________________
______________________________________________
______________________________________________

320

320

13 Which knee pads are better? Why? 13 14 Encourage children to test the durability of the pads
when they compare their models.
______________________________________________
______________________________________________ 15 Possible answer: by using stronger materials

14 What made the other knee pads weaker? Why? 16 Encourage children to think about how to improve their

______________________________________________ models. They can think about what went wrong with their
______________________________________________ models and how to fix and improve them.
Improve and Redesign
AFTER THE STEAM ACTIVITY
15 How can you change your knee pads to work
Use these questions to help children draw a conclusion.
better?
______________________________________________ ASK Why is a knee pad a good idea?
______________________________________________ Possible answer: It protects the knee from getting
hurt.
16 Draw how you will change your knee pads.
ASK When can you use your knee pads?
321 Possible answer: when I ride my bike

Allow children to present their designs to the class. Have the class
discuss why the designs may have worked well.

321

EVALUATE

ESTIMATED TIME 15 MIN 1 Vocabulary Use the following words to fill in

Read the directions aloud. the spaces.
larva • birds • insects • flowers
VOCABULARY
a Animals that have two wings and are
a. birds covered with feathers are _____________.
b. larva
c. flowers b A ________________ is a small insect.
d. insects c Fruit comes from ________________.
d Animals that have six legs are _________.
MAIN IDEA AND DEtAILS
2 Main idea and Details Complete the chart.
Cats are living things
Cats are living things

Cats can Cats can Cats can
move. grow. have young.

322

322

Circle the correct answer. EVALUATE

3 Look at the picture.

a They are the same size. 3 b. They are different sizes.
b They are different sizes 4 c. A seedling is formed.
c They are different colors. 5 d. light
d None of these is correct. 6 d. both alike and different.

4 What happens first when a seed grows? 323

a Flowers are formed.
b Fruits are formed.
c A seedling is formed.
d A seed becomes bigger.

5 What do plants need to live?

a grass
b sand
c fish
d light

6 Animals of the same kind are

a always different.
b always the same size.
c always the same color.
d both alike and different.

323

EVALUATE 7 Which group of animals does not have a

7 b. insects backbone?
8 c. Both have plants and animals. a fish
9 c. food b insects
c birds
d mammals

8 How are grasslands and forests alike?

a Both are hot all year.
b Both are covered with water.
c Both have plants and animals.
d Both have lots of rain.

9 What do you need to stay alive?

a cars
b toys
c food
d flowers

324

324

GLOSSARY

1 amphibians A
animals that live in water; when they grow they can live on
2 backbone land
3 birds
B
4 cone the chain of bones along the middle of the back
animals that have feathers, beaks, and wings
5 day
6 desert C
7 design process a part of a pine plant that holds seeds

8 Earth D
9 energy the time from sunrise to sunset
10 engineer a very dry land
11 environment steps an engineer follows to find a solution

E
our planet that goes around the Sun
something that makes things move or change
a person who makes designs to solve problems
place where living and nonliving things live

G1

12 fall F
13 fish a season that comes after summer
14 flower animals that live in water and have gills
15 forest a part of a plant that makes seeds
16 fruit lands covered with many trees
17 fuel a part of plant that contains seeds
something that gives off heat when it burns
18 grassland
G
19 headphones a place with a lot of grass and fewer trees
20 hearing
21 heat H
something put on the ear to protect it
22 insect to notice a sound with your ears
23 investigation a kind of energy that makes things warm

24 larva I
animals that do not have a backbone and have six legs
a method you use to look for answers to questions

L
a young insect

G2

25 leaf L (cont.)
26 life cycle a part of a plant that makes food for the plant
27 light the way a living thing grows and changes
28 living thing a kind of energy that lets you see
things that grow and change
29 mammal
30 man-made M
31 materials animals that have fur or hair and give birth to their young
32 measure materials that are made by man
33 Moon substances used to make objects
when you use tools to find the time, temperature, size, or
34 natural amount of something
35 night a round rock object that goes around Earth
36 nonliving thing
37 nutrients N
things that come from the Earth
38 observe the time from sunset to sunrise
39 ocean things that do not grow
things that help plants and animals grow

O
when you use your senses
large bodies of salty water

G3

40 parents P
41 phase living things that have young
42 pitch
43 planet part of the Moon you see from Earth
44 problem
45 pupa how high or low a sound is

46 rainbow a large object that goes around a sun
47 reflect
48 reptiles a difficult situation people want to solve
49 response a stage of development in the life cycle of insect between
50 root larva and adult
51 rotate
R
52 science practice an arc of different colors that sometimes appears in the sky
53 scientist
54 seasons to bounce off
55 seed coat
animals that have scales and dry skin

an action that living things do to live
part of a plant that holds the plant in the soil and takes in
water
to spin around

S
when you ask questions and investigate to find answers

person who uses skills to study the world

times of the year

a hard covering on a seed

G4

56 seedling S (cont.)
57 senses a young plant
58 shadow tools people use to know about the world
59 shelter a dark shape formed when an object blocks the light
60 shrub a safe place for animals to live
61 sight short and small plants
62 smell when you notice with your eyes
63 solution when you notice with your nose
64 sound an answer to a problem
65 source a kind of energy you hear
66 spring a place from which something comes
67 stars a season that comes after winter
68 stem objects made up of hot gases that give off light
69 summer part of a plant that the leaves are grown on
70 Sun a season that comes after spring
a star that gives us light and warmth
71 tadpole
72 taste T
73 technology a very young frog
when you notice with your tongue
what engineers design to solve problems

G5

74 telescope T (cont.)
75 tool a tool that makes distant objects look closer and bigger
76 touch something that helps you do work
to feel something
77 vibrate
78 volume V
to move back and forth quickly
79 weather how loud or soft a sound is
80 wind
81 winter W
what the air is like outside
the moving air
a season that comes after fall

G6

INDEX

adult 225, 227, 239, 280, 281, 282, 284, 287, 298, 301
aerospace
air 75
airports 54, 55, 57, 75, 146, 148, 150, 166, 168, 224, 268, 347, 386, 388, 438, 450,
algae 466, 507, 524, 536, 537, 538
aluminum 391
amount
amphibian 164

animals 110

appear 41, 42, 455

apply 261, 265, 268
18, 132, 143, 148, 149, 162, 164, 167, 168, 169, 170, 172, 173, 180, 181,
Apply Math 248, 261, 264, 265, 269, 277, 280, 281, 297, 300, 301, 302, 303, 304, 305,
apron 312, 347, 349, 403, 404, 405, 406
architect 333, 346, 362, 466
baby 4, 14, 32, 43, 46, 60, 67, 70, 83, 94, 111, 115, 121, 128, 139, 173, 177,
backbone 182, 192, 213, 224, 260, 272, 281, 289, 303, 328, 338, 353, 387, 388, 394,
batteries 407, 411, 416, 417, 425, 430, 443, 455, 459, 471, 483, 502, 510, 525
bean 43, 94, 111, 173, 213, 224, 281, 289, 303, 363, 407, 483, 525
beaver
bees 10, 11
behavior
bell 118

288, 303, 403, 404

265, 269

437

224, 225

260

269

312

522

IN1

bird feeder 127, 184, 185, 186, 187, 188, 189
birds 128, 148, 265, 267, 303, 403
bowl 507
box 79, 91, 92, 93, 94
breathe 165, 268, 284, 285
burner 454
butterflies 269
cactus 170, 171
camel 171
candle 452, 466
car 76, 77, 78, 79, 360, 518, 520, 536
car horn 520, 536
cardboard 479
cat 23, 266, 282, 283, 506
cause 357, 361, 502, 507, 521, 523, 538
caves 151
chain 106, 265
chicken 248, 281
classify 24
clay 23, 151
clock 518
coin 332
colors 18, 192, 301, 388, 455, 466
communicate 8, 76, 90, 95, 537
compare 22, 24, 40, 56, 128, 133, 171, 213, 363, 382, 389, 407
cone 205, 211, 227

IN2

cooler 454
cows 149, 248, 281
crafts 23
crocodile 267
cubes 43, 57, 109
damage 539
day 329, 357, 361, 453, 479
daylight 361, 402, 404, 406, 407
deer 305
desert 128, 159, 170, 171, 172
design 74, 75, 76, 87, 90, 91, 92, 93, 95, 118, 119
design process 87, 90
direction 390, 391, 536
discovery 29
distance 537
dog 266, 304, 305
dolphin 303, 537
draw a conclusion 28, 56
drink 10, 304
drum 502, 507, 521
dry 170, 260, 267, 386, 387
ducks 149, 267
eagle 18, 267
ears 8, 162, 539
Earth 343, 346, 347, 360, 361, 363, 370, 438

IN3

east 333
eat 9, 10, 128, 149, 164, 210, 286, 303, 439
eggs 267, 280, 285, 287, 289
electricity 434, 437, 438
energy 431, 434, 435, 436, 437, 438, 439, 453, 466, 506, 520
engineers 74, 75, 76, 77, 78, 87, 90, 546
environment 159, 162
evening 333, 335
evergreen 168
eyes 8, 11, 18, 162, 335, 481
fall 399, 402, 405, 406, 407
fat 171
feed 180, 266, 267, 282, 303
feel 9, 23, 24, 148, 304, 305, 332, 386, 387, 450, 452, 453, 506
fins 162, 165, 268
fish 128, 164, 165, 261, 265, 268, 303
flashlight 437, 481
float 26
flower 22, 27, 192, 193, 196, 210, 211, 225, 238, 240, 403
forest 159, 168, 169
frog 268, 284, 285, 289
fruit 27, 103, 193, 196, 210, 226, 248, 404, 439
fuel 447, 453
gases 346
gills 165, 268, 285

IN4

giraffes 302
grasses 166, 209
grassland 159, 172
greenhouse 254, 255, 256, 257
55, 57, 132, 134, 135, 146, 148, 150, 162, 164, 166, 168, 196, 211, 221,
grow 224, 225, 226, 227, 238, 239, 240, 241, 248, 268, 277, 280, 281, 282, 285,
286, 287, 288, 301, 304, 328, 332, 403, 404
headphones 437, 533, 539
healthy 148, 150, 180
hear 305, 387, 506, 521, 533, 536, 537, 538
heat 435, 436, 438, 447, 450, 452, 453, 454, 455
herd 172
hide 165, 305
human 18
hump 171
hurricane 382
hypothesis 26, 55, 56
improve 90, 94
infer 28
information 22, 27, 525
insects 269
instruments 524
investigation 19, 26, 57
kangaroo 288
kite 4

IN5

kitten 173, 282, 283, 302
larva 277, 286, 287
leaf 193, 196, 197, 213
legs 162, 267, 269, 287, 300
length 42, 43, 94, 213, 479, 483
life cycle 221, 224, 226, 227, 280, 281, 282, 284, 286, 287
146, 164, 166, 168, 240, 332, 334, 346, 347, 348, 430, 435, 436, 463, 466,
light 467, 475, 478, 479, 480, 481, 482, 490
129, 132, 143, 150, 159, 162, 164, 224, 238, 239, 280, 300, 304, 332
living thing 261, 265, 266, 303
mammals 103, 108, 111, 119
man-made 92, 95, 103, 106, 107, 108, 109, 110, 111, 118
materials 37, 40, 41, 42, 43, 94, 213, 390, 414, 483
measure 343, 347, 348, 363, 370
Moon 103, 107, 108, 111
natural 54, 55, 90, 92, 143, 146, 147, 148, 150, 162, 164, 166, 240, 430, 539
need 168, 170
needles 343, 346, 347, 348, 349, 357, 361, 467, 482
night 129, 134, 135, 162
nonliving thing 333, 334, 479
noon 143, 146, 166, 168, 196
nutrients 19, 22, 23, 24, 25, 40, 54, 55, 348, 362, 370
observe

IN6

ocean 159, 164, 165, 391
pan balance 42
parents 235, 238, 281, 282, 297, 300, 301, 302, 313
park ranger 180
patterns 302
phase 343, 348
pitch 515, 522, 523, 524
planet 347, 357, 360
54, 55, 57, 132, 146, 147, 149, 162, 164, 168, 205, 208, 209, 210, 211,
plants 212, 221, 224, 225, 235, 238, 239, 240, 328, 332, 347, 371, 403, 404, 406,
430, 439
plastic 55, 92, 106, 108, 109, 110, 478, 538
pluck 506, 523, 524
predict 22, 25, 64, 93, 391
prey 18
problem 74, 76, 77, 87, 90, 91, 92, 95
protect 169, 172, 210, 224, 227, 335, 539
pupa 277, 287
quills 169
rain gauge 390
rainbow 463, 466
rainy 386, 387, 403
redesign 90, 94
reflect 475, 480, 481
reptiles 261, 265, 267
response 235, 239, 241, 304

IN7

rock 134, 135
root 166, 193, 196, 224, 226, 227, 239
rotate 357, 360, 434
safety 10, 11, 312
science 10, 19, 22, 23, 37, 40, 54, 74
science practice 51, 54
scientist 19, 22, 26, 29, 40, 41, 51, 54, 64, 77, 78, 265, 362, 370, 414
season 399, 402, 404, 407
seed coat 221, 224
seedling 221, 225, 226, 227
seeds 196, 210, 211, 224, 225, 226, 227
senses 5, 8, 9, 23, 387
shadow 334, 335, 475, 479, 483
shark 268
sheep 149
shelter 143, 148, 150, 151, 169
shrub 205, 209
sight 5, 8, 9, 18
skyscrapers 118
smell 5, 8, 9, 23, 24
snake 267
solid 538
solution 87, 90
sound 9, 23, 24, 305, 435, 437, 502, 503, 506, 507, 515, 518, 519, 520, 521, 522,
523, 524, 525, 533, 536, 537, 538, 539, 546

IN8

source 431, 438, 452, 466
spring 399, 402, 403, 404, 405
stars 343, 346, 349
stem 166, 170, 193, 196, 208, 209, 225, 226, 227, 238, 240
summer 304, 399, 402, 404, 405, 406, 407, 455
Sun 240, 329, 332, 333, 334, 335, 346, 348, 360, 361, 363, 370, 387, 438, 439,
survive 450, 451, 466, 467, 479
tadpole 159, 168
taste 277, 285
technology 5, 8, 9, 23, 24
telescope 71, 76, 77, 78
tongue 357, 362, 370
tool 8
touch 4, 8, 11, 29, 37, 40, 41, 42, 64, 94, 362, 370, 390, 391, 414
vibrate 5, 8, 9, 241, 332
volume 503, 506, 507, 523, 524
weather 515, 520, 521
weather vane 64, 304, 305, 383, 386, 387, 389, 390, 391, 402, 403, 404, 405, 406, 414
wind 391
wind sock 383, 386, 387, 390, 391, 414, 438
windy 390, 418
wings 386, 403
winter 162, 267, 287
wood 399, 402, 403, 405, 406, 407, 455
29, 106, 107, 108, 453, 538

IN9

woody 208, 209, 227
work
young 40, 74, 77, 78, 312, 391, 439, 546
zebra 132, 180, 225, 238, 239, 266, 267, 268, 280, 281, 282, 283, 286, 297, 300,
301, 303
172

IN10

Flash Cards

Chapter 3: Lesson 2: Guided Practice

Animal Food

FC1

Flash Cards

Chapter 3: Lesson 2: Guided Practice

Animal Food

FC2

Flash Cards

Chapter 3: Lesson 3: Guided Practice

Different Environments

FC3

Flash Cards

Chapter 3: Lesson 3: Guided Practice

Different Environments

FC4

Flash Cards

Chapter 4: Lesson 2: Guided Practice

Plant Groups

FC5

Flash Cards

Chapter 4: Lesson 2: Guided Practice

Plant Groups

FC6

Flash Cards

Chapter 4: Lesson 3: Directed Practice

Life Cycle of a Bean Plant

FC7

Flash Cards

Chapter 4: Lesson 3: Directed Practice

Life Cycle of a Bean Plant

FC8

Flash Cards

Chapter 4: Lesson 4: Directed Practice

How Are Plants and Their Young Alike and
Different?

FC9

Flash Cards

Chapter 4: Lesson 4: Directed Practice

How Are Plants and Their Young Alike and
Different?

FC10

Flash Cards

Chapter 5: Lesson 2: Directed Practice

How Does a Chicken Grow and Change?

FC11

Flash Cards

Chapter 5: Lesson 2: Directed Practice

How Does a Chicken Grow and Change?

FC12

Flash Cards

Chapter 5: Lesson 2: Guided Practice

How Do Animals Grow and Change?

FC13

Flash Cards

Chapter 5: Lesson 2: Guided Practice

How Do Animals Grow and Change?

FC14

Name: ____________________________ Date: ___________________

GRAPHIC ORGANIZER 1

Picture Clue

Pictures give clues to know what you will read.

Picture

Clue Clue

TR1

Name: ____________________________ Date: ___________________

GRAPHIC ORGANIZER 2

Sequence

Sequence means to tell what happens first, next, then, and last.

First

Next

Then

Last

TR2

Name: ____________________________ Date: ___________________

GRAPHIC ORGANIZER 3

Compare and Contrast

When you compare things, you tell how they are alike.
When you contrast things, you tell how they are different.

Compare Contrast

TR3

Name: ____________________________ Date: ___________________

GRAPHIC ORGANIZER 4

Main Idea and Details

Main idea is the most important sentence in the text.
Important details are pictures or words that tell you about something.

Main Idea

Detail Detail

TR4

Name: ____________________________ Date: ___________________

GRAPHIC ORGANIZER 5

Draw Conclusions

When you draw a conclusion, you make a decision about what you read or see.

I know My conclusion

TR5

Name: ____________________________ Date: ___________________

GRAPHIC ORGANIZER 6

Cause and Effect

A cause is the reason why something happens.
An effect is what happens.

Cause Effect

TR6