| Introduction: Celebrate Basic Science Skills | 7 |
| Skills Checklist | 8 |
| Skills Exercises | 9 |
| Is It Alive? (Life Characteristics) | 10 |
| Something's Missing (Plant Parts) | 11 |
| Circles Everywhere (Life Cycle of Seed Plants) | 12 |
| Photo-What? (Photosynthesis) | 13 |
| What Do Bees Know? (Flower Parts) | 14 |
| Animals With & Without (Animal Classification) | 15 |
| Creeping Creatures (Animal Classification) | 16 |
| Wormy Questions (Animal Characteristics) | 17 |
| Vertebrates on Wheels (Vertebrate Classification) | 18 |
| Mix-up at the Zoo (Vertebrate Classification) | 20 |
| How Those Animals Behave! (Animal Behavior) | 21 |
| Home, Sweet Home (Animal Homes) | 22 |
| Who's Who in the Community? (Communities) | 23 |
| Looking for Habitats (Habitats) | 24 |
| Eco-Puzzle (Ecology) | 26 |
| Earth Care (Pollution & Conservation) | 27 |
| Too Much Pollution (Pollution) | 28 |
| Plenty of Bones (Skeletal System) | 29 |
| Body Parts in Hiding (Body Systems) | 30 |
| Body Talk (Vocabulary) | 31 |
| Aches & Pains (Diseases & Injuries) | 32 |
| Health Opposites (Health Behaviors) | 33 |
| Refrigerator Inspection (Nutrition) | 34 |
| Unsafe! (Safety) | 35 |
| Bodies in Space (Solar System) | 36 |
| Space Maze (Solar System) | 37 |
| Surface Search (Earth Surface Features) | 38 |
| Cracks & Rumbles (Earthquakes & Volcanoes) | 40 |
| Slow? Or Sudden? (Earth Changes) | 41 |
| Underwater Treasure Hunt (The Ocean) | 42 |
| Deep-Sea Facts (Waves - Ocean Bottom) | 43 |
| What's the Matter? (States of Matter) | 44 |
| A Matter of Change (Changes in Matter) | 45 |
| The Air up There (Air - Atmosphere) | 46 |
| Ready for Anything (Weather) | 47 |
| Lost in the Clouds (Clouds & Weather) | 48 |
| Pushing & Pulling (Force) | 50 |
| Hidden Machines (Simple Machines) | 51 |
| The Sound of the Drum (Sound) | 52 |
| Hot Words (Heat) | 53 |
| Where Would You Find It? (Science Vocabulary) | 54 |
| Appendix | |
| Science Words to Know | 55 |
| Science Skills Test | 58 |
| Answer Key | 62 |