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Grades K-2. The investigations in Solids and Liquids introduce students to two key concepts of physical science-that solids and liquids are two states of matter and that each state of matter has its own identifiable properties. Students begin by investigating a set of solids, focusing on properties such as shape, color, texture, and hardness. They conduct experiments to determine whether the solids will float or sink, roll or stack, or attract a magnet.
Grades K-2. The investigations in Solids and Liquids introduce students to two key concepts of physical science-that solids and liquids are two states of matter and that each state of matter has its own identifiable properties. Students begin by investigating a set of solids, focusing on properties such as shape, color, texture, and hardness. They conduct experiments to determine whether the solids will float or sink, roll or stack, or attract a magnet. Next, students actively explore the properties of liquids, how they look and feel, their fluidity, how they mix with water, and their degree of absorption. Students communicate their observations and the results of their experiments through discussion, writing, and drawing and improve their ability to follow directions and conduct experiments.
