Light

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

What is the difference between opaque and transparent objects?

Back

Opaque objects do not allow light to pass through them, while transparent objects allow light to pass through.

Front

What is radiant energy?

Back

Radiant energy is the energy that travels by waves or particles, particularly electromagnetic radiation such as light.

Front

What is a solar panel?

Back

A solar panel is a device that converts sunlight into electricity or heat.

Front

How does light travel?

Back

Light travels in straight lines until it hits an object.

Front

What is the wavelength of light?

Back

The wavelength of light is the distance between two consecutive peaks of a wave, which determines its color.

Front

Which color of light has the highest energy?

Back

Violet light has the highest energy among visible colors.

Front

Which color of light has the longest wavelength?

Back

Red light has the longest wavelength among visible colors.

Front

What happens when light hits a transparent object?

Back

When light hits a transparent object, it passes through and may be refracted or bent.

Front

What happens when light hits an opaque object?

Back

When light hits an opaque object, it is either absorbed or reflected.