Science Unit 3 - Waves and Information

Front

What is the part of the eye that bends and focuses light into images?

Back

Lens

Front

What transfers information about the image to the brain?

Back

Optic nerve

Front

What term describes all possibilities between two endpoints?

Back

Range

Front

What is the part of a device that changes radio waves into a usable message?

Back

Receiver

Front

What type of wave moves in the same direction as the particles it travels through?

Back

Longitudinal

Front

What is the definition of a wave?

Back

A disturbance that transfers energy through matter or space.

Front

What are the two main types of waves?

Back

Transverse and longitudinal.

Front

What is the difference between transverse and longitudinal waves?

Back

Transverse waves move perpendicular to the direction of energy transfer, while longitudinal waves move parallel.

Front

What is the function of the cornea in the eye?

Back

To refract light and help focus it onto the retina.

Front

What is the role of the retina in vision?

Back

To convert light into neural signals for the brain.