8th Grade Science Guide

8.2: Physics 3 Dimensions & Progressions

Unit 1

following experiments or demo it. Ask students what they think is happening. Howare refection, absorption and transmission of light waves through a medium involved in the creation of a rainbow?

8.2.6 Phenomena: Storage Media

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. ● I can identify how waves

● Students are shown

● record, tape, cd, foppy disc, sd card, USB

examples or pictures of some or all of the following storage media: record, tape, cd, foppy 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 electron microscope (The entire video is much too complex, but select clips would be very helpful) ● Oscilloscope app to show waveforms of sound waves

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

Activity: Digital Information - Binary & Bits

Objective

Overview

Materials