| Section 1 | Earth Science | 1 |
| About this Resource | vii |
| Lesson 1 | Plate Tectonics | 3 |
| 1.1 | As the Earth Moves | 3 |
| Content on plate tectonics | 3 |
| Vocabulary activity, Acrostics (1-1) | 8 |
| 1.2 | Rockin' and Rollin' in the U.S.A. | 10 |
| Lab on earthquake epicenters | 10 |
| Student activity sheet (1-2) | 11 |
| Lesson 2 | Rocks and Soil | 16 |
| 2.1 | The Scoop on Soil | 16 |
| Content on rocks and soil | 16 |
| Vocabulary activity, The Scoop on Soil (2-1) | 20 |
| 2.2 | Breaking Up Is Easy to Do | 22 |
| Lab on weathering of rocks | 22 |
| Student activity sheet (2-2) | 23 |
| Lesson 3 | Weather | 26 |
| 3.1 | Weathering the Storm | 26 |
| Content on weather | 26 |
| Vocabulary crossword puzzle, Weather or Not (3-1) | 30 |
| 3.2 | Hygrometer Engineering | 32 |
| Lab on measuring relative humidity | 32 |
| Student activity sheet (3-2) | 33 |
| Lesson 4 | Water | 39 |
| 4.1 | The Water Planet | 39 |
| Content on water | 39 |
| Vocabulary activity, Water Words (4-1) | 41 |
| 4.2 | Bearly Raining | 42 |
| Lab on drainage basins | 42 |
| Student activity sheet (4-2) | 43 |
| Section 2 | Physics | 47 |
| Lesson 5 | Wave Energy | 49 |
| 5.1 | Wave On | 49 |
| Content on wave energy | 49 |
| Vocabulary activity, waves (5-1) | 52 |
| 5.2 | Good Vibrations | 54 |
| Lab on wave energy | 54 |
| Student activity sheet (5-2) | 55 |
| Lesson 6 | Heat | 57 |
| 6.1 | Doing the Atomic Shake | 57 |
| Content on heat energy | 57 |
| Vocabulary crossword puzzle, Atomic Shake (6-1) | 60 |
| 6.2 | Up, Up, and Away | 62 |
| Lab on heat energy | 62 |
| Student activity sheet (6-2) | 63 |
| Lesson 7 | Motion | 65 |
| 7.1 | Let's Get Movin' | 65 |
| Content on the energy of motion | 65 |
| Vocabulary activity, Word Find (7-1) | 70 |
| 7.2 | Solving Your Problems in Motion | 72 |
| Activity on the energy of motion (7-2) | 73 |
| 7.3 | The Ball Drop | 76 |
| Lab on the energy of motion | 76 |
| Student activity sheet (7-3) | 77 |
| 7.4 | Take 1 | 80 |
| Project on the energy of motion (7-4) | 81 |
| Lesson 8 | Energy, Work, Power, and Machines | 83 |
| 8.1 | Full of Energy | 83 |
| Content on energy, work, power, and machines | 83 |
| Vocabulary activity, Energy Unscramble (8-1) | 87 |
| 8.2 | Golf Balls and Their Potential | 89 |
| Lab on potential energy | 89 |
| Student activity sheet (8-2) | 90 |
| 8.3 | Problems with Energy | 93 |
| Activity on energy, work, power, and machines (8-3) | 94 |
| 8.4 | Machines Made Simple | 96 |
| Project on machines | 96 |
| Student activity sheet (8-4) | 98 |
| 8.5 | More Power to You | 99 |
| Lab on energy, work, and power | 99 |
| Student activity sheet (8-5) | 100 |
| Lesson 9 | Electricity | 103 |
| 9.1 | Dancing Electrons | 103 |
| Content on electricity | 103 |
| Vocabulary activity, AC-DC (9-1) | 108 |
| 9.2 | Paying the Bills | 109 |
| Activity on calculating the cost of electric power | 109 |
| Student activity sheet (9-2) | 110 |
| Student activity sheet, Shocking Solutions (9-3) | 113 |
| Section 3 | Astronomy | 115 |
| Lesson 10 | Planets | 117 |
| 10.1 | A Spaced-Out Family | 117 |
| Content on the planets of our solar system | 117 |
| Vocabulary activity, Planet Unscramble (10-1) | 120 |
| 10.2 | Bringing the Solar System Down to Earth | 121 |
| Activity on the size of our solar system | 121 |
| Student activity sheet (10-2) | 122 |
| 10.3 | Astonishing Planetary Discovery | 126 |
| Project on the composition of the planets | 126 |
| Student activity sheet (10-3) | 127 |
| Lesson 11 | Stars | 133 |
| 11.1 | Starlight, Star Bright | 133 |
| Content on stars | 133 |
| Vocabulary puzzle, Star Puzzle (11-1) | 136 |
| 11.2 | Star Chamber | 138 |
| Class project on constellations | 138 |
| Student activity sheet (11-2) | 139 |
| Lesson 12 | The Moon | 145 |
| 12.1 | The Man in the Moon | 145 |
| Content on the moon's surface | 145 |
| Vocabulary activity, Lunar Message Creation (12-1) | 149 |
| 12.2 | Moon Madness | 151 |
| Lab on lunar craters | 151 |
| Student activity sheet (12-2) | 152 |
| Lesson 13 | Space Travel | 155 |
| 13.1 | The Space Shuttle | 155 |
| Content on space travel | 155 |
| Vocabulary activity, Landing Spacecraft (13-1) | 157 |
| 13.2 | Design a Spacecraft | 160 |
| Lab on designing an original space vehicle | 160 |
| Student activity sheet (13-2) | 161 |
| Section 4 | Chemistry | 163 |
| Lesson 14 | Fats | 165 |
| 14.1 | Fat Foods | 165 |
| Content on the structure and role of fat | 165 |
| Vocabulary crossword puzzle, Fat Words (14-1) | 168 |
| 14.2 | Fat in Foods | 170 |
| Activity that compares the fat content of meats | 170 |
| Student activity sheet (14-2) | 171 |
| Lesson 15 | Surface Tension of Water | 173 |
| 15.1 | Walking on the Water | 173 |
| Content on the surface tension of water | 173 |
| Vocabulary activity, Water Word Find (15-1) | 175 |
| 15.2 | Surface Tension | 177 |
| Lab on the effect of detergents on the surface tension of water | 177 |
| Student activity sheet (15-2) | 178 |
| Lesson 16 | Hair Chemistry | 183 |
| 16.1 | Hair Care Chemistry | 183 |
| Content on the chemical nature of hair and hair products | 183 |
| Vocabulary activity, A Tri-ing and Hairy Experience (16-1) | 188 |
| 16.2 | Homemade Perms | 191 |
| Hair chemistry activity | 191 |
| Student activity sheet (16-2) | 192 |
| Lesson 17 | Anthocyanins | 195 |
| 17.1 | Nature's Indicators | 195 |
| Content on anthocyanins | 195 |
| Vocabulary activity, Petal Pickin' (17-1) | 197 |
| 17.2 | The Cabbage Patch Indicators and the Petal Papers | 200 |
| Lab on using anthocyanins to determine the acidity of substances | 200 |
| Student activity sheet (17-2) | 202 |
| Section 5 | Biology | 209 |
| Lesson 18 | The Blueprint of Life | 211 |
| 18.1 | The Blueprint of Life | 211 |
| Content on DNA | 211 |
| Vocabulary activity, DNA Concept Map (18-1) | 215 |
| 18.2 | Recipe for Proteins | 216 |
| DNA modeling activity | 216 |
| Student activity sheet (18-2) | 217 |
| Lesson 19 | The Basic Unit of Life | 221 |
| 19.1 | The Basic Unit of Life | 221 |
| Content on cells | 221 |
| Vocabulary activity puzzle, The Tri-ing Cell Puzzle (19-1) | 226 |
| 19.2 | Hanging Out with Cell Models | 228 |
| Project on construction of cell mobiles | 228 |
| Student activity sheet (19-2) | 229 |
| 19.3 | Cell Trek | 233 |
| Review board game on the cell | 233 |
| Student directions for Cell Trek (19-3) | 234 |
| Student Cell Worksheet (19-4) | 236 |
| Lesson 20 | Changes and Adaptations | 244 |
| 20.1 | Changing with the Times | 244 |
| Content on adaptations | 244 |
| Vocabulary puzzle, Box Puzzle Adaptations (20-1) | 246 |
| 20.2 | Plant Production | 247 |
| Project on plant adaptations | 247 |
| Student activity sheet (20-2) | 248 |
| 20.3 | Monstrous Mutations | 253 |
| Lab on the effect of random mutations on animals' survival skills | 253 |
| Student activity sheet (20-3) | 254 |
| Lesson 21 | Tree Growth | 259 |
| 21.1 | Barking Up the Right Tree | 259 |
| Content on trees | 259 |
| Vocabulary activity, Wood You Leave Him Out on a Limb? (21-1) | 262 |
| 21.2 | A Dead Ringer | 265 |
| Lab on tree growth rings | 265 |
| Student activity sheet (21-2) | 266 |
| 21.3 | Life Story of a Tree | 270 |
| Lab on the vital statistics of a tree | 270 |
| Student activity sheet (21-3) | 271 |
| Lesson 22 | Ecology | 282 |
| 22.1 | Relationships in Life | 282 |
| Content on ecology | 282 |
| Vocabulary activity, Ecologically Speaking (22-1) | 287 |
| 22.2 | Who Lives in Our Trash? | 289 |
| Activity on composting and food chains | 289 |
| Student activity sheet (22-2) | 290 |
| Answer Keys | 295 |
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