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Transmission of Waves

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

The repetition of a specific sound produced by reflection of sound waves from a surface

a)

Echo

b)

Echolocation

c)

Binary Code

d)

Coding

2.

The process of finding an object by using reflected sound

a)

Echo

b)

Echolocation

c)

Binary Code

d)

Coding

3.

A system of representing a letter, digit, or other character using 0's and 1's

a)

Echo

b)

Echolocation

c)

Binary Code

d)

Coding

4.

The process of writing a computer program in a language that can be used by computer

a)

Echo

b)

Echolocation

c)

Binary Code

d)

Coding

5.

Which animals use echolocation?

a)

Whales, Bats, Dolphins

b)

Birds, Cats, Dogs

c)

Whales, Dolphins, Catfish

d)

Dolphins, Zebras, Ants

6.

What is made when a sound wave reflects off of a surface?

a)

An Echo

b)

A Bouncing Sound

c)

A Sound Reflection

d)

A Scream

7.

What method of communication uses short and long signals to represent letters?

a)

Morse Code

b)

Binary Code

c)

Echolocation

d)

Communication

8.

What communication system do submarines use?

a)

Sonar

b)

Echolocation

c)

Binary Code

d)

Morse Code

9.

Sonar is most similar to...

a)

Echolocation

b)

binary code

c)

coding

d)

echo

10.

Who writes computer codes that a computer needs to perform tasks?

a)

Computer Programmer

b)

Computer Analyst

c)

Computer Telegrapher

d)

Computer Coder

11.

Before electricity, how did people communicate?

a)

Smoke signals, messengers

b)

telegraph, radio

c)

telephone, cellphone

d)

satellite, social media