8th Grade Science Guide

8.2: Physics 3 Dimensions & Progressions

Unit 1

● Students describe a model for friction a molecular level. ● Students describe matter in terms of molecular motion. The description should include: diagrams to support the description, how the temperature affects the image, what are the

● Student Phet: Friction ● Student Instructions/Worksheet

differences and similarities between solid, liquid and gas particle motion; how the size and speed of gas

molecules relate to everyday objects.

Activity: Friction & Static Electricity

Objective

Overview

Materials

● Students will use a

● Phet: Balloons and Static Electricity ● Students complete handout found on link above.

● I can measure

temperature changes as a result of changing friction applied to an object.

simulation to investigate how static electricity energy is generated by friction. ● Students will describe and draw models for common static electricity concepts (transfer of charge, induction, attraction, repulsion, and grounding). predictions about force at a distance for various confgurations of charge. ● Students will make

Activity: Energy Forms & Changes PhET

Objective

Overview

Materials

● Explore how heating and cooling iron, brick, and water adds or removes energy. See how energy is transferred between

● Energy Forms & Changes PhET Simulation

● I can evaluate the

strongest evidence to support the claim of the kinetic energy of an object changes as energy