Universe

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

True or false: As you move along the electromagnetic spectrum from left to right, the wavelengths decrease in size.

Back

True

Front

Which electromagnetic wave is primarily associated with heat?

Back

Infrared Rays

Front

What is the relationship between wavelength, frequency, and energy?

Back

A wave with a large wavelength has a low frequency and low energy.

Front

What event is known as the explosion that sent the universe flying out?

Back

The Big Bang

Front

List the order of electromagnetic waves from longest wavelength to shortest wavelength.

Back

Radio, Micro, Infrared, Visible, Ultraviolet, X-ray, Gamma.

Front

What type of wave has the highest frequency?

Back

Gamma rays have the highest frequency in the electromagnetic spectrum.

Front

What type of electromagnetic radiation can be seen by the human eye?

Back

Visible light is the type of electromagnetic radiation that can be seen by the human eye.

Front

What is the speed of light in a vacuum?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second (or about 186,282 miles per second).

Front

What is the significance of the Big Bang theory?

Back

The Big Bang theory explains the origin of the universe and describes how it has expanded from a hot, dense state.