Across
- 4. Santa stops at houses _-ically.
- 7. Put some Christmas cookies in the _ for the pigs!
- 8. On Christmas Eve, Santa is _ (wave) around the world.
- 10. Your Christmas lights must be turned on to show the angle of incidence and reflection are equal, it's the _ (of reflection)!
- 13. Stop the Grinch's _ of Christmas!
- 14. Santa _-ally wears a red suit and hat for the holidays.
- 15. There's Mr. Snowman, just _ (wave) in the snow.
- 17. The elves received _ to wear on their sweaters.
- 18. Before the party, I check my (angle of) _ in the car.
- 19. The maximum height of the sound wave from the normal, made when Santa yells at his reindeer.
- 20. If Santa's journey on Christmas Eve is a standing wave, what do you call one of places he always goes?
Down
- 1. Two carolers meet and sing together, becoming friends. _ interference
- 2. The high and low notes of Christmas songs each have a different _.
- 3. The sound of bells from Santa's sleigh travels in _ waves.
- 5. Here comes Santa Claus, here comes Santa Claus... Hear those sleigh bells jingle j_... (of incidence)
- 6. A package from Santa's sleigh falls and is lost in the ocean's _ waves.
- 9. Santa has to travel across all the continents, what a (wave)- _-ly journey!
- 11. Frosty the snowman, had to hurry on his way, but he _-d (pulse)goodbye...
- 12. The angry choir teacher comes and tells the children to stop carolling. _ interference
- 16. If Santa's journey on Christmas Eve is a standing wave, what are the places he switches up and visits once every few years called?