CKLA Light and Sound

Front

What parts of your body produce your voice?

Back

Diaphragm, Trachea, and Larynx

Front

What is an example of a convex lens?

Back

A magnifying glass

Front

True or False: Sound is made from vibrations that travel in waves.

Back

True

Front

What is Thomas Edison's most famous invention?

Back

The lightbulb

Front

How fast does light travel?

Back

186,000 miles per second

Front

What is sound?

Back

Sound is a type of energy made by vibrations that travel through the air.

Front

What is a lens?

Back

A lens is a piece of glass or other transparent material that bends light to help us see.

Front

What is the function of the diaphragm?

Back

The diaphragm helps you breathe and is important for making sounds.

Front

What is light?

Back

Light is a form of energy that allows us to see things.

Front

What is the difference between a concave lens and a convex lens?

Back

A concave lens curves inward and spreads light rays apart, while a convex lens curves outward and brings light rays together.