Week 16 Light and Sound

Front

What happens to your pupils in the DARK?

Back

Your pupils get bigger to allow more light in.

Front

What happens to your pupils in the LIGHT?

Back

Your pupils get smaller to reduce the amount of light entering.

Front

What is an opaque object?

Back

An opaque object is one that light cannot pass through.

Front

What is a translucent object?

Back

A translucent object allows some light to pass through, but not all.

Front

What is a solid object?

Back

A solid object has a definite shape and volume, and light cannot pass through it.

Front

TRUE or FALSE: Sound travels in waves.

Back

True, sound travels in waves.

Front

What is the primary source of light on Earth?

Back

The primary source of light on Earth is the sun.

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 sound?

Back

Sound is a form of energy that travels in waves through air, water, or solids.

Front

What is reflection of light?

Back

Reflection is when light bounces off a surface.