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Energy is transferred from the sun to Earth mainly by _______________
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
When you are riding a bicycle at night, your bicycle's reflectors help people in cars see your bicycle. How do bicycle reflectors work?
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
If you leave a chocolate chip cookie on a windowsill during a bright, sunny day how could you prevent it from melting?
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
The change in the direction of a wave when it enters a new medium is called _______________
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
What form of energy causes an ice cube to melt?
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
Which of the following waves is not visible to the human eye?
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
What is the primary source of energy on Earth?
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
Which kind of energy is produced by generators at a dam?
Heat
Electromagnetic waves
The Sun
Ultraviolet Light
Electrical
They bounce light back from other sources.
Put an object over it so the sun is reflected.
Diffraction
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