Front

Which type of electromagnetic waves have the longest wavelengths?

Back

Radio waves

Front

What is the primary use of microwaves in cooking?

Back

To excite water molecules

Front

Which technology uses infrared waves?

Back

Thermal imaging

Front

What is unique about visible light in the electromagnetic spectrum?

Back

It can be perceived by human vision

Front

Which rays are known for causing sunburns?

Back

Ultraviolet rays

Front

What is a beneficial use of gamma rays?

Back

Medical imaging

Front

Which gas makes up about 78% of today's atmosphere?

Back

Nitrogen

Front

In which atmospheric layer do weather phenomena occur?

Back

Troposphere

Front

What is the main component of Earth's ancient atmosphere?

Back

Carbon dioxide

Front

Which atmospheric feature reflects AM radio waves?

Back

Ionosphere