Across
- 3. What is the high point of a wave called?
- 7. What is the number of peaks or troughs that pass by in a certain amount of time?
- 9. Where does Santa live?
- 10. Who helps Santa make toys?
- 14. What is the distance between two peaks or two troughs?
- 16. What green item do people put up at Christmas to decorate their homes?
- 17. What causes sound?
Down
- 1. What is a form of energy that comes from making noise?
- 2. What is the red and white striped Christmas candy?
- 4. What animals help to pull Santa's sleigh?
- 5. What is the highness or lowness of a sound?
- 6. What is Santa's favorite treat?
- 8. What do people hang in their trees to decorate them?
- 11. What is left under the tree on Christmas day?
- 12. What is the height of a wave called?
- 13. How does sound travel?
- 15. What is the low point of a wave called?
- 18. Who leads Santa's sleigh?