Light and Matter

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 matter?

Back

Matter is anything that has mass and takes up space.

Front

What is transmission in terms of light?

Back

Transmission is the process by which light passes through a medium without being absorbed.

Front

What is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another due to a change in speed.

Front

What are sound waves?

Back

Sound waves are vibrations that travel through a medium (solid, liquid, or gas) and can be heard when they reach a person's or animal's ear.

Front

Can sound travel through empty space?

Back

No, sound cannot travel through empty space because it requires a medium to vibrate.

Front

What happens to light when it hits a window?

Back

Some light is transmitted through the window, while some may be reflected or absorbed.

Front

What is the difference between light and sound waves?

Back

Light waves can travel through a vacuum, while sound waves require a medium to travel.

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion of a star, which can produce light waves that reach Earth.