California Science Content Standards . . . . . . . . . 330 Science Handbook Recycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 Clean Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333 Care of Plants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334 Care of Animals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 Use a Bar Graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336 How to Measure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 Measure in Centimeters . . . . . . . . . . . . . . . . . . . . . . . . . . 338 Measure in Inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339 Use a Measuring Cup . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 Use a Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342 Use a Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343 Use a Thermometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344 Use Weather Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 346 Use a Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 348 Use a Hand Lens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 Use a Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1 ▶ This child is using a magnifying glass. 329 Physical Sciences 1. Materials come in different forms (states), including solids, liquids, and gases. As a basis for understanding this concept: a. Students know solids, liquids, and gases have different properties. b. Students know the properties of substances can change when the substances are mixed, cooled, or heated. Life Sciences 2. Plants and animals meet their needs in different ways. As a basis for understanding this

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