Electromagnetic Spectrum- Aliyah Thomas Period EB

An example of an electromagnetic wave is...

Seismic waves traveling to Earth and shaking California

Heat waves by the Sun through air to Earth

A tsunami created by the energy in the Pacific Ocean

All of the above

Which one is not an example of an electromagnetic wave?

Sending a text message

Watching television

Popping popcorn in the microwave

A tsunami hitting the California border

The human eye can detect a...

Small portion of the electromagnetic spectrum

Large portion of the electromagnetic spectrum

How do electromagnetic waves positively affect humans?

Gives us sunburn

None of these

Kills cancer cells

All of these

How do electromagnetic waves negatively affect humans?

Makes muscles weaker

Makes skin weaker

Makes muscles stronger

May cause skin cancer later in life

Is electromagnetic radiation...

Reflected

Absorbed

Refracted

Both A and B

Which gas(es) absorbs the most radiation?

Ozone

Carbon Dioxide

Nitrogen

Both A and B

Do instruments have to be used to detect electromagnetic radiation/waves?

Yes

Electromagnetic waves can pass through the atmosphere

True

False

Earth's atmosphere protects us from...

Electromagnetic waves

Ocean waves

Light waves

Both A and C

How big are the waves in the electromagnetic spectrum?

1 mile long

Half a mile long

Vary in sizes

Both A and B

How are mechanical and electromagnetic waves different?

Wave lengths are ALWAYS different

Electromagnetic waves need a medium to travel and mechanical waves don't need a medium

Electromagnetic waves dont need a medium to travel and mechanical waves need a medium to travel

None of these

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Electromagnetic Spectrum- Aliyah Thomas Period EB

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