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Wave Communications Review 2024

Wave Communications Review 2024

Assessment

Presentation

Science

8th Grade

Practice Problem

Easy

NGSS
MS-ESS1-1, MS-PS4-3, MS-ESS2-4

+7

Standards-aligned

Created by

Sarah Southall

Used 206+ times

FREE Resource

14 Slides • 8 Questions

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Match

Match the following

Receives the information

Sends the information

Converting the information to a new form

Receiver

Transmitter

Encoding

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Reorder

Reorder the following

Make the original data

Encode the data

Add data to the wave

Receive the encoded wave

Decode the wave to recreate the original data

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Categorize

Options (16)

Only two values: 1's and 0's

more interference (noise) and distortion

more accurately maintain their data during long distances

smooth and continuous

waves have a step-like appearance

easier to replicate and store

less susceptible to interference

can be stored for future use

can represent a wider range of values

carry more information

carries less data

more natural

degrades with distance and time

on-off pulses

cheaper because it requires less equipment

requires less bandwidth

Organize these options into the right categories

Analog
Digital

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Dropdown

The drawing activity shows that ​ ​
​ encoding is more accurate for copying over time. However the ​
encoding looks more natural.

14

Open Ended

Which type of signal (analog or digital) would you use to record an endangered songbird and why?

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Match

Match the wave to it's benefit

Safest and can travel around most obstacles

Can carry more information and travel to space

Secure because it can't pass through solids

Carries the most information at the fastest speed

Radio

Microwaves

Infrared

Visible Light

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Categorize

Options (11)

Broadcasting

Radios

Television

Wi-Fi

Cell Phones

GPS

Satellites

Remotes Controls

Thermal Cameras

Fiber Optics

Detects Heat

Place the communication system with the correct EMS wave.

Radio
Microwaves
Infrared
Visible Light

22

Dropdown

Wave that is used to screen for cancer - ​


Wave that is used to check for broken bones - ​


Wave that is used to decode hidden messages - ​
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