Electromagnetic Spectrum Waves Notes

Front

What type of electromagnetic radiation is sensed as heat?

Back

Infrared radiation causes molecules to vibrate and is sensed as heat.

Front

What is the function of X-rays in medical imaging?

Back

X-rays help in taking pictures of bones and teeth.

Front

Why do many flowers have UV patterns on their petals?

Back

Flowers have UV patterns to attract bees for pollination.

Front

What is an electromagnetic wave?

Back

An electromagnetic wave is a wave that transmits energy through matter and/or empty space.

Front

What type of electromagnetic radiation is emitted at radio and TV stations?

Back

Radio waves are emitted at radio and TV stations.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

The speed of electromagnetic waves in a vacuum is approximately 299,792 kilometers per second (or about 300,000 kilometers per second).

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, from radio waves to gamma rays.

Front

What are microwaves used for?

Back

Microwaves are used for cooking food and in communication technologies.

Front

What is ultraviolet (UV) radiation?

Back

Ultraviolet radiation is a type of electromagnetic radiation that is not visible to the human eye and can cause sunburn.

Front

What are gamma rays?

Back

Gamma rays are high-energy electromagnetic waves emitted by radioactive materials.