Waves

Question 1

All waves do this

Answer 1

Waves transfer energy from one place to another

Question 2

What are the two types of waves

Answer 2

Mechanical and electromagnetic

Question 3

Mechanical waves need a …………

Answer 3

Medium to travel through

Question 4

Electromagnetic waves ………………………..

Answer 4

Don’t need a medium to go through as they can travel through completely empty space

Question 5

The highest point of a wave is called

Answer 5

The crest

Question 6

The lowest point of a wave is called

Answer 6

The trough

Question 7

Name three examples of magnetic waves

Answer 7

Ocean, seismic, sound and slinky waves

Question 8

Electromagnetic wave

Answer 8

Transverse electric and magnetic fields positioned at right angles to each other and travelling through empty space at the speed of light

Question 9

Frequency is……..

Answer 9

The number of waves produced per second measured in hertz (Hz)

Question 10

Compression is

Answer 10

A region of high pressure where particles are close together

Question 11

Decibel (dB)

Answer 11

Unit used to measure loudness

Question 12

Frequency

Answer 12

The number of waves passing a point every second

Question 13

Echo

Answer 13

A sound that is reflected and heard a second time

Question 14

Hertz (Hz)

Answer 14

The unit used to measure frequency

Question 15

Longitudinal wave

Answer 15

A wave in which the vibration is in the same direction that the wave is travelling

Question 16

Sound wave

Answer 16

Regions of high and low pressure originating from a vibrating object transmitted through a medium

Question 17

Transverse

Answer 17

A wave in which the vibration is at right angles to the direction the wave is travelling