Light and Sound

Front

How does light travel through an empty space?

Back

Light travels in a straight line without stopping.

Front

What happens to colors when a T-shirt absorbs them?

Back

The T-shirt absorbs all colors of the rainbow.

Front

What is the term for when light bounces off a surface?

Back

Reflection.

Front

What causes a straw in a glass of water to appear bent?

Back

Light is refracted.

Front

How do our eyes perceive different energies of light?

Back

As different colors.

Front

What is refraction?

Back

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

Front

What is the difference between absorption and reflection of light?

Back

Absorption is when light is taken in by an object, while reflection is when light bounces off an object.

Front

What is the visible spectrum?

Back

The visible spectrum is the range of wavelengths of light that can be seen by the human eye.

Front

What is the speed of light in a vacuum?

Back

Approximately 299,792 kilometers per second.

Front

What is the principle of transmission in relation to light?

Back

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