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PS2: Motion and Stability: Forces and Interactions

Table of Contents
PS2: Motion and Stability: Forces and Interactions
Core Idea

PS2:  Motion and Stability: Forces and Interactions
PS2.A: Forces and Motion
PS2.B: Types of Interactions
PS2.C: Stability and Instability in Physical Systems

 

In PS2: Motion and Stability: Forces and Interactions, performance expectations are designed for students to create an understanding of how different types of forces interact to create motion. Students should demonstrate an understanding of how action-reaction, gravitational, electrical, and magnetic forces cause motion.

 

5-PS2-1 Support an argument that the gravitational force exerted by Earth on objects is directed down.

3-PS2-1 Plan and conduct an investigation to provide evidence of the effects of balanced and unbalanced forces on the motion of an object.

3-PS2-2 Make observations and/or measurements of an object’s motion to provide evidence that a pattern can be used to predict future motion.

3-PS2-3 Ask questions to determine cause and effect relationships of electric or magnetic interactions between two objects not in contact with each other.

3-PS2-4 Define a simple design problem that can be solved by applying scientific ideas about magnets.

Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawai?i, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.