8th Grade Science Guide

8.2: Physics 3 Dimensions & Progressions

Unit 1

●​ I can compare digital and analog media in terms of storage. ●​ I can evaluate whether digital signals are more reliable than analog signals when transmitting data. ●​ I can identify how waves

●​ Students are shown

●​ record, tape, cd, floppy disc, sd card, USB

examples or pictures of some or all of the following storage media: record, tape, cd, floppy disc, sd card, USB, etc. Students will be asked to predict which would be able to hold more music. They will also be asked to

can be used for communication.

predict which music would sound better.

Activity: Analog Data Storage

Objective

Overview

Materials

●​ I can compare digital and analog media in terms of storage. ●​ I can evaluate whether digital signals are more reliable than analog signals when transmitting data.

●​ Teacher will show the

●​ How is music stored on Vinyl? ●​ A record under an

following 3 videos/apps. Students will record notes on facts and observations.

electron microscope (The entire video is much too complex, but select clips would be very helpful)

●​ Oscilloscope app to show waveforms of sound waves

Activity: Micro:bits Send a Smile and/or Secret Message

Objective

Overview

Materials

●​ I can explain how waves can carry information.

●​ Students use wireless

●​ Micro:bits ●​ Chromebooks ●​ Secret Message ●​ Send a Smile

communication to model how waves carry information. Students investigate wireless digital signal transmission.

Activity: Digital Information - Binary & Bits

Objective

Overview

Materials

●​ Lesson: Bits & Binary ●​ Your hand and a pen

●​ I can compare digital and analog media in terms of storage.

●​ In this activity, students in grades 4 – 12 will do math like a computer. They will learn the basics of binary