8th Grade Science Guide

8.2: Physics 3 Dimensions & Progressions

Unit 1

speed of sound through different media. Students also will investigate the resonant frequency of different rubber bands, and how that frequency is affected by various factors.

Activity: Micro:bit Sound Insulation

Objective

Overview

Materials

●​ Use the micro:bit to

●​ Micro:bit ●​ Chromebook

●​ I can create a model that explains how sound is absorbed and transmitted through various materials.

measure sound levels in an investigation into sound insulation properties of different materials.

●​ Sound Insulation ●​ Objects that muffle sound ( cotton, wool, fabric, plastic, etc)

Formative Assessment: SEEd Formative Assessment 8.2.5

8.2.5 Phenomena: Disappearing Trick

Objective

Overview

Materials

●​ I can write a CER.

●​ The structure of a wave affects its ability to be reflected, absorbed, or transmitted through mediums. Have students perform one of the following experiments or demo it. Ask students what they think is happening. ​ How are reflection, absorption and transmission of light waves through a medium involved in the creation of a rainbow?

●​ Light’s behavior through water Video ●​ Disappearing coin trick ●​ Disappearing glass trick ●​ CER Resources

8.2.6 Phenomena: Storage Media

Objective

Overview

Materials