Waves and EM Spectrum

Presentation

•

Science

•

9th Grade

•

Hard

Joseph Anderson

FREE Resource

5 Slides • 5 Questions

Electromagnetic Spectrum

Multiple Choice

Review:

Which of these affect a sound wave's pitch?

Amplitude

Frequency

Volume

Transverse

Electromagnetic Waves

EM waves are transverse waves. They have the same properties as most other waves, but have some special properties.

- They do not need a medium to travel

- They travel at the speed of light

Multiple Select

Which of these is true for electromagnetic waves?

They are transverse waves.

They need air to travel.

They travel at the speed of light.

They are longitudinal waves.

They do not need a medium.

Types of EM Waves

There are 7 different types of EM waves.
Each type of EM wave has different frequencies.

The Electromagnetic Spectrum

The EM spectrum is a list of all of the types of EM waves.
They are listed in order of frequency.

The 7 Types of EM Waves

Radio waves
Microwaves
Infrared waves
Visible light
Ultraviolet (UV) rays
X-rays
Gamma rays

Multiple Choice

Which of these EM waves do we normally use to heat up our food?

Visible light

X-rays

Radio waves

Microwaves

Multiple Choice

Which of these is the EM wave with the highest frequency?

Gamma rays

UV rays

Radio waves

Visible light

Multiple Choice

Which of these EM waves has the lowest frequency?

Infrared waves

Radio waves

X-rays

UV rays

Electromagnetic Spectrum

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