Light review

Front

What is light?

Back

Light is a kind of energy that travels in waves.

Front

What is the visible spectrum?

Back

The visible spectrum is the part of light waves that we can see.

Front

What happens when light hits a flat object and bounces back?

Back

This process is called reflection.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What does a magnifying glass do?

Back

A magnifying glass uses refraction to make objects appear larger.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by an object and not reflected.

Front

What is a laser?

Back

A laser is a device that emits light through a process of optical amplification.

Front

What is the difference between convex and concave lenses?

Back

Convex lenses converge light rays, while concave lenses diverge them.

Front

What is the speed of light?

Back

The speed of light in a vacuum is approximately 299,792 kilometers per second.

Front

What is a prism?

Back

A prism is a transparent object that can refract light and separate it into colors.