Question 1

Heat from the sun travels to Earth by _____.

Accepted Answer

radiation

Answer

convection

Answer

insulation

Answer

conduction

Question 2

What is an electromagnetic wave?

Accepted Answer

A form of energy that can move through the vacuum of space.

Answer

The direct transfer of energy by electromagnetic waves.

Answer

Wavelengths that are longer than red light.

Answer

Invisible form of energy with Wavelengths that are shorter than. violent light

Question 3

What is an infrared radiation?

Accepted Answer

Wavelengths that are longer than red light.

Answer

An invisible form of energy with wavelengths that are shorter than violet light.

Answer

Energy from the sun.

Answer

Energy observed by the Earth's atmosphere.

Question 4

What is an Ultraviolet radiation?

Accepted Answer

An invisible form of energy with wavelengths that are shorter than violet light.

Answer

It radiates most of the energy back into the atmosphere.

Answer

Wavelengths that are longer than red light.

Answer

Energy from the sun travels to Earth across a full spectrum of wavelengths.

Question 5

Why do we see objects as white?

Accepted Answer

They reflect all light

Answer

none

Answer

They absorb all light

Answer

They absorb some light and reflect some light

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