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CHAPTER 1 PLANTS
Lesson 1 What Living Things Need
Read a Diagram: Plants Make Food
roots (p. 4)
Quick Check
1. air, food, water, space to grow (p. 3)
2. sunlight (p. 5)
3. minerals (p. 5)
Lesson 2 Plants Make New Plants
Read a Diagram: Life Cycle of a Pine Tree
seeds (p. 10)
Quick Check
4. fruit (p. 7)
5. pollen (p. 7)
6. They have hard shells to protect the seeds. (p. 9)
7. true (p. 11)
8. true (p. 11)
Lesson 3 How Plants Are Alike and Different
Read a Photo: Tulips
color, petals (p. 13)
Quick Check
9. sunflowers (p. 13)
10. They look like their parents and have the same life cycle. (p. 13)
11. still make food (p. 15)
12. weather (p. 15)
Chapter 1: Vocabulary Review
1. pollen (p. 16)
2. oxygen (p. 16)
3. seed (p. 16)
4. flower (p. 16)
5. life cycle (p. 16)
6. minerals (p. 16)
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CHAPTER 2 ANIMALS
Lesson 1 Animal Groups
Read a Diagram: Beetle
outer shell (p. 20)
Quick Check
1. fish (p. 19)
2. mammals (p. 19)
3. hard shell or body covering, use claws, or sting other animals (p. 21)
4. hard shell or body covering, use claws, or sting other animals (p. 21)
Lesson 2 Animals Grow and Change
Read a Diagram: Chicken Life Cycle
after it hatches (p. 22)
Quick Check
5. false (p. 23)
6. false (p. 23)
7. larva (p. 25)
8. pupa (p. 25)
Lesson 3 Staying Alive
Read a Photo: Ptarmigan Feathers
white (p. 27)
Quick Check
9. Possible answers: Animals have big eyes to see at night; animals have long
necks to get food; animals have long fingers to dig for food; animals have
colors or patterns that help hide them from enemies. (p. 27)
10. hides in its shell (p. 29)
11. swim in large groups (p. 29)
Chapter 2: Vocabulary Review
1. line to mammal (p. 30)
2. line to insect (p. 30)
3. line to reptile (p. 30)
4. line to larva (p. 30)
5. line to pupa (p. 30)
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CHAPTER 3 LOOKING AT HABITATS
Lesson 1 Places to Live
Read a Diagram: Forest Habitat
tree (p. 34)
Quick Check
1. hot and dry; wet and grassy; grassy and warm; cold and snowy (p. 33)
2. Animals hide there; animals sleep there; or animals find food there. (p. 35)
3. Animals hide there; animals sleep there; or animals find food there. (p. 35)
4. Animals hide there; animals sleep there; or animals find food there. (p. 35)
Lesson 2 Food Chains and Food Webs
Read a Diagram: A Desert Food Web
beetle or insect (p. 38)
Quick Check
5. a plant (p. 37)
6. dead (p. 37)
7. food web (p. 39)
8. mice (p. 39)
Lesson 3 Habitats Change
Read a Photo: Drought
plants; soil (p. 40)
Quick Check
9. false (p. 41)
10. true (p. 41)
11. Possible answers: The animal may find a new habitat; the animal may die.
(p. 43)
12. Possible answers: People hunt them; people take away their homes and
food. (p. 43)
13. extinct (p. 45)
14. fossil (p. 45)
Chapter 3: Vocabulary Review
1.
2.
3.
4.
extinct (p. 46)
food web (p. 46)
fossil (p. 46)
habitat (p. 46)
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CHAPTER 4 KINDS OF HABITATS
Lesson 1 Forests
Read a Chart: Woodland Animals
eyes (p. 49)
Quick Check
1. deer, woodchucks, owls, woodpeckers (p. 49)
2. There is not much food. (p. 49)
3. a macaw (p. 51)
4. Possible answers: very tall, able to block sunlight, or large with large leaves
(p. 51)
Lesson 2 Hot and Cold Deserts
Read a Diagram: Finding Water in the Desert
roots (p. 52)
Quick Check
5. leaves or stems (p. 53)
6. Possible answers: come out only at night, have pale colors (p. 53)
7. false (p. 55)
8. true (p. 55)
Lesson 3 Oceans and Ponds
Read a Diagram: Life in the Ocean
angler fish or squid (p. 56)
Quick Check
9. a large body of salt water that covers most of Earth (p. 57)
10. Possible answers: shark, blowfish, jellyfish, squid, whales, angler fish (p.
57)
11. Possible answers: through their skin, with air tubes, with gills, or with air
bubbles under water (p. 59)
Chapter 4: Vocabulary Review
woodland forest - definition 6 (p. 60)
ocean - definition 4 (p. 60)
pond - definition 5 (p. 60)
rain forest - definition 2 (p. 60)
desert - definition 3 (p. 60)
Arctic - definition 1 (p. 60)
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CHAPTER 5 LAND AND WATER
Lesson 1 Earth’s Land
Read a Map: North America
flat land (p. 64)
Quick Check
1. landforms (p. 63)
2. valley (p. 63)
3. flat (p. 65)
4. globe (p. 65)
5. crust, mantle, core (p. 67)
Lesson 2 Earth’s Water
Read a Photo: Earth from Space
water (p. 70)
Quick Check
6. ponds, rivers, lakes, and streams (p. 69)
7. for washing; for drinking; to stay healthy (p. 69)
8. move goods, get food (p. 71)
Lesson 3 Changes on Earth
Read a Diagram: Ice Changes Land
ice (p. 73)
Quick Check
9. false (p. 73)
10. true (p. 73)
11. Child’s drawing should show a flood, landslide, volcano or earthquake. (p.
75)
Chapter 5: Vocabulary Review
1.
2.
3.
4.
5.
landform (p. 76)
earthquake (p. 76)
crust (p. 76)
volcano (p. 76)
landslide (p. 76)
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CHAPTER 6 EARTH’S RESOURCES
Lesson 1 Rocks and Minerals
Read a Chart: Use of Minerals
pencil; toothpaste (p. 80)
Quick Check
1. Possible answers: everywhere on Earth, under grass and soil, bottom of the
ocean (p. 79)
2. to make tools; to build things (p. 79)
3. pencils, toothpaste, jewelry, or magnets (p. 81)
Lesson 2 Soil
Read a Photo: Types of Soil
Possible answers: color or texture (p. 82)
Quick Check
4. true (p. 83)
5. false (p. 83)
6. bits of rock, parts of plants and animals (p. 85)
7. They die and rot. (p. 85)
Lesson 3 Using Earth’s Resources
Read a Photo: Pollution
litter or garbage (p. 88)
Quick Check
8. Possible answers: minerals, coal, oil, or soil (p. 87)
9. moving water, wind (p. 87)
10. Possible answers: I can clean up litter; I will not throw garbage in the
water; I can ride a bike instead of riding in a car. (p. 89)
11. Child drawings should show, and captions should explain, something being
used again. (p. 91)
Chapter 6: Vocabulary Review
1.
2.
3.
4.
5.
recycle (p. 92)
soil (p. 92)
natural resources (p. 92)
reduce (p. 92)
pollution (p. 92)
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CHAPTER 7 OBSERVING WEATHER
Lesson 1 Weather
Read a Photo: Wind Sock
light (p. 97)
Quick Check
1. temperature (p. 95)
2. Possible answers: rain, snow, sleet, or hail (p. 95)
3. child drawing of a wind sock blowing straight out (p. 97)
Lesson 2 The Water Cycle
Read a Diagram: The Water Cycle
It evaporates. (p. 101)
Quick Check
4. It turns into a gas called water vapor. (p. 99)]
5. It turns back into a liquid or water. (p. 99)]
6. Child drawings should include details that show evaporation, cloud
formation, precipitation, and runoff or collection in lakes and streams. (p. 101)
Lesson 3 Changes in Weather
Read a Chart: Lightning Safety
indoors (p. 104)
Quick Check
7. stratus (p. 103)
8. cumulus (p. 103)
9. tornado (p. 105)
10. hurricanes (p. 105)
Chapter 7: Vocabulary Review
1.
2.
3.
4.
5.
precipitation (p. 106)
cumulus (p. 106)
cirrus (p. 106)
temperature (p. 106)
evaporate (p. 106)
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CHAPTER 8 EARTH AND SPACE
Lesson 1 Day and Night
Read a Diagram: Earth’s Axis
night (p. 109)
Quick Check
1. Earth’s rotation (p. 109)
2. 24 hours (p. 109)
3. true (p. 111)
4. false (p. 111)
Lesson 2 Why Seasons Happen
Read a Diagram: Earth Tilts
summer (p. 115)
Quick Check
5. four (p. 113)
6. colder (p. 113)
7. We have seasons because Earth moves around the Sun. In winter Earth tilts
away from the Sun. In summer Earth tilts toward the Sun. (p. 115)
Lesson 3 The Moon and Stars
Read a Diagram: How the Moon Moves
the Sun (p. 116)
Quick Check
8. The Sun shines light on the Moon. (p. 117)
9. The Sun’s light is not so bright at night. (p. 117)
10. Child drawings should look like a first quarter moon. (p. 119)
11. Sun (p. 121)
12. far away (p. 121)
Lesson 4 The Solar System
Read a Diagram: The Solar System
Mercury (p. 122)
Quick Check
13. planet (p. 123)
14. Mars (p. 125)
15. Saturn (p. 125)
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Chapter 8: Vocabulary Review
1.
2.
3.
4.
5.
orbit (p. 126)
planet (p. 126)
solar system (p. 126)
star (p. 126)
rotation (p. 126)
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CHAPTER 9 LOOKING AT MATTER
Lesson 1 Describing Matter
Read a Photo: Using Matter
Possible answers: bucket; water; soap; towel; clothing (p. 128)
Quick Check
1. mass (p. 129)
2. balance (p. 129)
3. descriptions should include how the object looks, feels, sounds, and smells,
if applicable (p. 131)
Lesson 2 Solids
Read a Photo: Measuring Solids
the same (p. 140)
Quick Check
4. lists should include solid classroom objects (p. 133)
5. properties should relate to how one object looks, feels, smells, sounds, or
tastes (p. 133)
6. length; how long, high, or wide a solid is (p. 135)
7. mass; how much mass an object has (p. 135)
Lesson 3 Liquids and Gases
Read a Photo: Measuring Liquids
container A (p. 137)
Quick Check
8. Lists should include different liquids. (p. 137)
9. false (p. 139)
10. true (p. 139)
11. true (p. 139)
Chapter 9: Vocabulary Review
1.
2.
3.
4.
5.
6.
solid (p. 140)
mass (p. 140)
matter (p. 140)
property (p. 140)
liquid (p. 140)
gas (p. 140)
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CHAPTER 10 CHANGES IN MATTER
Lesson 1 Matter Changes
Read a Chart: Chemical Changes
rust (p. 144)
Quick Check
1. Before and after drawings should show an object with a physical change,
such as folding, cutting, freezing, or drying. (p. 143)
2. false (p. 145)
3. true (p. 145)
Lesson 2 Changes of State
Read a Diagram: Adding Heat to Ice
It melts. (p. 147)
Quick Check
4. Ice can melt into water if it is heated. Water will evaporate into water vapor
if it is heated. (p. 147)
5. It can freeze and turn into a solid. (p. 149)
6. It can condense and turn into a liquid. (p. 149)
Lesson 3 Mixtures
Read a Photo: Making a Smoothie
before; the one on the left (p. 152)
Quick Check
7. Child drawings should show a mixture of things that can be easily taken
apart. (p. 151)
8. A solution is a mixture that is hard to take apart. One thing dissolves into
the other. (p. 153)
9. Possible answers: You can pick apart a mixture of solids. Water can be
separated from a mixture by a filter or evaporation. (p. 155)
Chapter 10: Vocabulary Review
1.
2.
3.
4.
mixture (p. 156)
physical change (p. 156)
condenses (p. 156)
chemical change (p. 156)
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CHAPTER 11 HOW THINGS MOVE
Lesson 1 Position and Motion
Read a Graph: Animal Speed
zebra (p. 161)
Quick Check
1. Child’s sentences should accurately describe the position of an object in the
picture.
(p. 159)
2. Moves Slowly: snail, and other objects or animals that move slowly; Moves
Fast: cheetah, lion, and other objects or animals that move quickly (p. 161)
Lesson 2 Forces
Read a Diagram: How a Ball Changes Direction
push (p. 167)
Quick Check
3. force (p. 163)
4. pull (p. 163)
5. push (p. 163)
6. rough (p. 165)
7. gravity (p. 165)
8. speed up, slow down, change direction (p. 167)
9. stops (p. 167)
Lesson 3 Using Simple Machines
Read a Photo: Lever
up (p. 168)
Quick Check
10. Possible answers: We can use a ramp to raise things up; we can use a lever
to lift things. (p. 169)
11. wheel (p. 171)
12. lift something (p. 171)
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Lesson 4 Exploring Magnets
Read a Chart: What a Magnet Attracts
crayon; eraser (p. 173)
Quick Check
13. true (p. 173)
14. false (p. 173)
15. at the poles (p. 175)
16. when a north and south pole are put together (p. 175)
Chapter 11: Vocabulary Review
1.
2.
3.
4.
5.
motion [3rd column from left, starting 1st letter from top] (p. 176)
force [5th row from top, starting 2nd letter from left] (p. 176)
friction [4th row from top, starting 1st letter from left] (p. 176)
speed [4th column from right, starting 2nd letter from top] (p. 176)
poles [2nd row from top, starting 2nd letter from left] (p. 176)
[word find annos: 1 – 8] (p. 176)
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CHAPTER 12 USING ENERGY
Lesson 1 Heat
Read a Photo: Temperature
day (p. 180)
Quick Check
1. heat (p. 179)
2. fuel (p. 179)
3. a thermometer (p. 181)
4. air, water, soil, body (p. 181)
Lesson 2 Sound
Read a Diagram: How We Hear Sound
eardrum (p. 182)
Quick Check
5. We pluck the strings. The strings vibrate. The airs vibrates. We hear the
sound when the air makes our eardrum vibrate. (p. 183)
6. true (p. 185)
7. false (p. 185)
8. air (p. 187)
9. loud (p. 187)
Lesson 3 Light
Read a Photo: Shadows
A shadow is made. (p. 189)
Quick Check
10. Possible answers: puppets, body, trees (p. 189)
11. all colors (p. 191)
12. prism, raindrop (p. 191)
Lesson 4 Exploring Electricity
Read a Diagram: Circuit
right (p. 192)
Quick Check
13. Electricity comes through wires from power plants. (p. 193)
14. Possible answers: lamps, electric stoves, TV, radios, phones (p. 193)
15. It is a kind of energy that is made by tiny bits of matter. (p. 195)
16. static electricity (p. 195)
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Chapter 12: Vocabulary Review
1.
2.
3.
4.
5.
e. a kind of energy that makes objects warmer (p. 196)
b. a kind of energy you hear (p. 196)
a. to move back and forth quickly (p. 196)
d. a kind of energy that helps us see things (p. 196)
c. a path that electricity flows in (p. 196)
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