What type of waves require a medium?
What type of medium do whales use to communicate over long distances?
Electromagnetic Waves ...
What are two types of mechanical waves?

What type of wave is represented in the image to the left?

What type of wave is the image to the left?
What waves do NOT require a medium?
Sound waves are an example of _________________ waves.
You can hear a spaceship explode in outer space.
A sound wave is an example of which type of wave?
Which of the following are ALL electromagnetic waves
Which of the following are ALL mechanical waves
The particles in this type of wave vibrate in the same direction the energy flows,
Your body would interpret this energy as _______________.
Your body would interpret this energy as _______________.