California Science: Grade 1 (Student Edition)

Cover......Page 1
Contents......Page 6
Be a Scientist......Page 18
What Is Science?......Page 19
Inquiry Skills......Page 21
Predict......Page 22
Communicate......Page 24
Measure......Page 25
Compare......Page 26
Classify......Page 28
Observe and Ask a Question......Page 29
Follow the Plan......Page 31
Record Data......Page 33
Try the Plan Again......Page 34
Draw a Conclusion and Communicate......Page 35
Life Science......Page 36
CHAPTER 1 Plants and Their Needs......Page 37
Tommy......Page 40
Lesson 1 Plants Everywhere......Page 41
What are plants?......Page 42
Where do plants live?......Page 45
Focus on Skills......Page 47
Lesson 2 What Plants Need......Page 48
What happens if a plant does not get water?......Page 50
Do all plants need the same things to grow?......Page 51
How do plants use sunlight?......Page 53
Strawberry Fields......Page 55
Do leaves need sunlight to stay green?......Page 57
Lesson 3 Parts of Plants......Page 59
Why does grass need roots?......Page 60
What are the parts of a plant?......Page 61
What do roots do?......Page 63
Meet General Sherman......Page 65
Seeds of All Sorts!......Page 66
My Plant Book......Page 67
CHAPTER 1 Review......Page 73
CHAPTER 2 Animals and Their Needs......Page 77
Giraffes......Page 80
Lesson 1 Animals Everywhere......Page 81
What are some types of animals?......Page 82
Focus on Skills......Page 87
Lesson 2 What Animals Need......Page 88
What do worms need?......Page 89
What do animals need to live?......Page 90
How do animals’ body parts help them survive?......Page 92
Animals’ Needs......Page 94
Animal Graph......Page 95
Lesson 3 How Animals Get Food......Page 97
How do teeth help you eat different foods?......Page 98
What animals eat plants?......Page 99
What animals eat meat?......Page 101
What do animals eat?......Page 103
Meet Jin Meng......Page 105
My Animal Book......Page 107
CHAPTER 2 Review......Page 113
CHAPTER 3 Plants and Animals Together......Page 117
To Be a Clover......Page 119
Lesson 1 Land Habitats......Page 121
What kinds of plants and animals live together?......Page 122
How do plants and animals live in a grassland?......Page 123
How do plants and animals live in a forest?......Page 125
Focus on Skills......Page 127
Lesson 2 Water Habitats......Page 129
How do plants and animals live in water?......Page 130
What lives in a pond?......Page 131
What helps plants and animals live in the ocean?......Page 132
Meet Mark Siddall......Page 135
Lesson 3 Plants and Animals Need Each Other......Page 137
Why do plants and animals live together?......Page 138
How do plants and animals help each other?......Page 139
Why do some animals need other animals?......Page 140
How do animals need plants to survive?......Page 143
Lesson 4 Food Chains......Page 145
What do animals eat?......Page 146
What is a food chain?......Page 147
What happens in a food chain?......Page 149
Animal Facts......Page 151
Number Story......Page 152
Plants and Animals......Page 153
CHAPTER 3 Review......Page 159
Insect-Eating Plants......Page 163
Careers in Science......Page 165
Earth Science......Page 166
CHAPTER 4 Weather......Page 167
Sudden Storm......Page 169
Lesson 1 Describe Weather......Page 171
What is today’s weather?......Page 172
What is weather?......Page 173
How can weather change?......Page 175
Focus on Skills......Page 177
Lesson 2 The Warmth of the Sun......Page 179
What will the Sun do?......Page 180
What does the Sun do?......Page 181
What does the Sun do to water?......Page 183
Weather Story......Page 185
Weather Graph......Page 186
Lesson 3 Measure Weather......Page 187
What is the temperature outside today?......Page 188
How can you measure weather?......Page 189
How can you learn more about the weather?......Page 191
What is the weather like this week?......Page 193
Weather Tool......Page 195
My Weather Book......Page 197
CHAPTER 4 Review......Page 203
CHAPTER 5 Seasons......Page 207
Sunflakes......Page 209
Lesson 1 Winter......Page 211
How do you know when it is winter?......Page 212
What is winter weather like?......Page 214
Focus on Skills......Page 217
Lesson 2 Spring......Page 218
What do seeds need to sprout?......Page 219
How do you know when it is spring?......Page 221
What happens in spring?......Page 223
Museum Mail Call......Page 225
Lesson 3 Summer......Page 227
Which does the Sun warm more?......Page 228
How do you know when it is summer?......Page 229
What is summer weather like?......Page 231
Seasons Change......Page 233
Rain Table......Page 234
Lesson 4 Fall......Page 235
How do leaves change in the seasons?......Page 236
How do you know when it is fall?......Page 237
What happens in fall?......Page 239
How many hours of sunlight are there in a day?......Page 241
My Seasons Book......Page 243
CHAPTER 5 Review......Page 249
Weather and Wild Animals......Page 253
Careers in Science......Page 255
Physical Science......Page 256
CHAPTER 6 Solids,Liquids,and Gases......Page 257
Our World......Page 259
Lesson 1 Describing Matter......Page 261
How can you describe an object?......Page 262
What are the properties of matter?......Page 263
What is mass?......Page 265
Focus on Skills......Page 267
Lesson 2 Solids......Page 269
What are some properties of solids?......Page 270
What is a solid?......Page 271
What are the properties of solids?......Page 273
A Shoe Story......Page 275
Pieces of Matter......Page 276
Lesson 3 Liquids......Page 277
What are the properties of a liquid?......Page 278
What is a liquid?......Page 279
What are the properties of different liquids?......Page 281
Which liquid flows the fastest?......Page 283
Lesson 4 Gases......Page 285
What is in the cup?......Page 286
What is a gas?......Page 287
What are some properties of gases?......Page 289
Blimps......Page 291
My Matter Book......Page 293
CHAPTER 6 Review......Page 299
CHAPTER 7 Changing Matter......Page 303
Popcorn Hop......Page 305
Lesson 1 Heating Matter......Page 307
How can heat change water?......Page 308
How does heat change a solid?......Page 309
How can heat change a liquid?......Page 311
Focus on Skills......Page 313
Lesson 2 Cooling Matter......Page 315
How does cooling change a liquid?......Page 316
How can liquids change?......Page 317
How can you cool matter?......Page 319
Meet Rondi Davis......Page 321
What happens to salt in water?......Page 323
What is a mixture?......Page 325
What are other types of mixtures?......Page 327
Mix It Up!......Page 329
Trail Mix Recipe......Page 330
What happens whenyou mix baking soda and vinegar?......Page 331
Mix It Up......Page 333
CHAPTER 7 Review......Page 339
Where in the World is Water?......Page 343
Careers in Science......Page 345
Reference......Page 346
Science Content Standards......Page 347
Recycle......Page 349
Clean Up......Page 350
Care of Plants......Page 351
Care of Animals......Page 352
Use a Bar Graph......Page 353
How to Measure......Page 354
Measure in Centimeters......Page 355
Measure in Inches......Page 356
Use a Measuring Cup......Page 357
Use a Balance......Page 359
Use a Scale......Page 360
Use a Thermometer......Page 361
Use Weather Tools......Page 363
Use a Clock......Page 365
Use a Hand Lens......Page 366
Use a Computer......Page 367
Glossary......Page 368
Credits......Page 380