8th Grade Science Guide

8.2: Physics 3 Dimensions & Progressions

Unit 1

Objective

Overview

Materials

● I can defne mass, speed and kinetic and potential energy. ● I can describe, develop a model, and graph the kinetic energy of two objects of different mass

● This lab has students roll marbles of various masses down a ramp to crash into a golf tee. They are testing the effect of mass on the kinetic energy of the marble and the distance it can move the tee. ● In the Sled Wars Gizmo, students explore the energy and momentum of a sled as it slides down a hill and crashes into a snowman. In the Gizmo, students can vary the mass and initial height of the sled, as well as the number of snowmen at the bottom. In a second mode, students can experiment with two sleds that crash into each other. This Gizmo provides an elementary introduction to speed, acceleration, energy, and momentum.

● mass kinetic energy lab

moving (relationship: kinetic energy & mass).

Activity: Gizmo Sled Wars

Objective

Overview

Materials

● I can explore how an object accelerates as it slides down a slope, Distinguish kinetic and potential energy, Relate the kinetic energy of an object to its mass and speed, Observe how

● Gizmo

potential energy is converted to kinetic energy, Explore how

energy and momentum relate to the outcomes of collisions.

Activity: Identify and Calculate Potential & Kinetic Energy

Objective

Overview

Materials

● I can defne mass, speed and kinetic and potential energy.

● Students calculate and identify PE and KE.

● Student Worksheet

Formative Assessment: SEEd 8.2.1 Formative Assessment

Phenomena Assessment: Different Stopping Rates of Vehicles

Objective

Overview

Materials