EM Spectrum and Analog v. Digital

Presentation

•

Science

•

6th Grade

•

Practice Problem

•

Easy

•

NGSS

HS-PS4-1, HS-PS4-2, HS-PS4-5

Standards-aligned

Erin Rhoades

Used 1+ times

FREE Resource

3 Slides • 10 Questions

EMS Waves and

Analog v. Digital

2022-2023 Quarter 2 Review

Open Ended

Which is more reliable analog or digital signals? Why?

Type response here

Electromagnetic Waves (like others) have a frequency & Wavelength. This is important when determining the type of wave and, in visible light, the color.

Reorder

Use the picture to help you order the colors of visible light from longest wavelength to shortest wavelength

Red

Yellow

Green

Blue

Violet

Multiple Choice

Use the picture to help you answer the question: Which electromagnetic wave has the longest wavelength?

Radio

Visible Light

Gamma

Multiple Choice

Use the picture to help you answer the question: Which electromagnetic wave has the shortest wavelength?

Radio

Visible Light

Gamma

Multiple Choice

Use the picture to help you answer the question: Which electromagnetic wave has more energy?

Radio

Visible Light

Infrared

Dropdown

The wavelength of visible light determines its

Binary Code (0s and 1s)
Less pure
Noise/Interference does not impact signal
Doesn't break down
More reliable

Digital Signals

Continuous Signals (Full range)
Smoother
Noise/Interference impact signal
Breaks down easily over time
Less reliable

Analog Signals

Multiple Select

Select the correct descriptions for analog signals

Continuous Signal/ Smoother

Noise/Interference effects them more than digital

Breaks down easily over time

pulses of 0s and 1s

Analog has no use in modern technology

Multiple Select

Select the correct descriptions for digital signals

Continuous Signal/ Smoother

Doesn't break down

Breaks down easily over time

pulses of 0s and 1s

Has no use in modern technology

Multiple Choice

Which signal is more reliable?

Analog because it doesn't last very long

Digital because it doesn't break down over time and has little issues with interference/noise

Analog because is is a pure and smooth sound

Digital because analog isn't used anymore

Multiple Choice

What is a benefit for digital signals?

You can see them

They don't use sound

They are not affected by interference

They are used for CDs and DVDs

EMS Waves and

Analog v. Digital

2022-2023 Quarter 2 Review

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