Unit 2 - Energy

Front

What is echolocation?

Back

Echolocation is a method used by some animals, like dolphins and whales, to communicate and locate objects underwater using sound waves.

Front

What is energy?

Back

Energy is the ability to do work.

Front

What part of the body flips the images we see upside down?

Back

The brain flips the images we see upside down.

Front

What does wavelength measure?

Back

Wavelength measures the distance between wave peaks.

Front

What happens to energy when wave peaks are closer together?

Back

The more energy the waves have.

Front

What happens to energy when an object is moving faster?

Back

The more energy it can transfer.

Front

What is sound?

Back

Sound is a type of energy that travels in waves.

Front

What is the speed of sound in air?

Back

The speed of sound in air is about 343 meters per second.

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another.

Front

What are the two main types of waves?

Back

The two main types of waves are mechanical waves and electromagnetic waves.