Big Idea 10+11 Q4

Front

What are sound waves?

Back

The movement of sound vibrations through the air. Lower pitch sound waves are spread out and move with less speed, while higher pitch sound waves are closer together and move with more speed.

Front

What is solar energy?

Back

Energy from the Sun. Light and heat energy comes from the Sun.

Front

What is a shadow?

Back

A dark area where light from its source is blocked.

Front

What is static electricity?

Back

A result of the build-up of electrical charge that occurs from rubbing two objects together.

Front

What is sound energy?

Back

Energy we hear that is produced by the vibration of matter.

Front

What is the definition of energy?

Back

The ability to do work. It makes things move and change.

Front

What happens to light when it passes through different substances?

Back

When light slows down as it passes from one substance into another, it can bend or change direction.

Front

What is the difference between lower pitch and higher pitch sounds?

Back

Lower pitch sounds have longer wavelengths and are spread out, while higher pitch sounds have shorter wavelengths and are closer together.

Front

What is the role of the Sun in providing energy?

Back

The Sun provides light and heat energy, which are essential for life on Earth.

Front

What is a circuit?

Back

A continuous path through which electricity can flow.