8th Grade Science Guide

8.2: Physics 3 Dimensions & Progressions

Unit 1

●​ Pool balls ●​ Rubbing two blocks together ●​ Bicycle braking

Activity: Friction

Objective

Overview

Materials

●​ Students explore how friction can change the temperature of objects rubbed together. ●​ 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

●​ Friction -

●​ I can measure

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

Thermodynamics | Heat - PhET Interactive Simulations

●​ 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).