These are low frequency waves used mostly for communication over long distances.

Which of the following uses the highest frequency radio waves?

When you heat up food, like popcorn, in that electrical box in your house, you are using _____.

This uses radio or microwaves to measure distance and direction of faraway objects

These are the electromagnetic waves given off due to heat.

These electromagnetic waves are found in between 400 THz and 800 THz.

This is used to sterilize medical equipment.

Which of the following UV categories is the most dangerous and is completely blocked by our ozone?

These are used to penetrate any material and look inside human bodies.

These are the most powerful form of electromagnetic radiation and can be very damaging to living tissue

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