1. What can electromagnetic waves travel through that mechanical waves can not travel through?

2. Electromagnetic waves are classified using what measurement?

3. What type of electromagnetic waves cause sunburns?

4. What type of electromagnetic waves are used to cook food, predict the weather, and for communications?

5. What type of waves are used on a TV remote control?

6. Which electromagnetic waves have the longest wavelengths?

7. Which electromagnetic waves enable humans to see?

8. What type of electromagnetic waves have the shortest wavelengths?

9. What type of electromagnetic waves are used to take pictures of bones in medicine?

10. What type of electromagnetic waves have the most energy?