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OVERVIEW
SOLIDS AND LIQUIDS

CONTENT GOALS

The Solids and Liquids Module provides experiences that heighten students’ awareness of the physical world. Matter with which we interact exists in three fundamental states: solid, liquid, and gas. In this module first graders have introductory experiences with two of these states, solid and liquid.

FOSS EXPECTS STUDENTS TO

• Develop curiosity and interest in the objects that make up their world.
• Investigate materials constructively during free exploration and in a guided discovery mode.
• Recognize differences between solids, liquids, and gases.
• Explore a number of liquids.
• Observe and describe the properties of solids and liquids.
• Sort materials according to properties.
• Combine and separate solids of different particle sizes.
• Observe and describe what happens when solids are mixed with water.
• Observe and describe what happens when other liquids are mixed with water.
• Observe and describe what happens when materials are mixed, cooled, and heated.
• Use information gathered to conduct an investigation on an unknown material and make new observations when discrepancies exist between descriptions.
• Draw pictures that portray features of objects.
• Record observations and data with pictures, numbers, and words.
• Organize observations on a bar graph.