5.6C 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 reflection of light?

Back

Reflection is the bouncing back of light rays when they hit a surface.

Front

What is a periscope?

Back

A periscope is an optical instrument that allows one to see objects that are not in the direct line of sight, using mirrors.

Front

What role do mirrors play in a periscope?

Back

Mirrors in a periscope reflect light from an object to the viewer's eye.

Front

What is a hand lens?

Back

A hand lens is a simple magnifying glass used to make small objects appear larger.

Front

How does a hand lens work?

Back

A hand lens works by bending light rays that pass through it, making objects appear larger.

Front

What is transmission of light?

Back

Transmission is the passing of light through a material without being absorbed.

Front

What is absorption of light?

Back

Absorption is when light is taken in by a material and converted to other forms of energy, such as heat.

Front

What is refraction of light?

Back

Refraction is the bending of light as it passes from one medium to another, changing its speed.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing back of light, while refraction is the bending of light as it passes through different materials.