1		2
					3
			4														5
6	7											8
			9
			10
		11

Across 1. B on board 6. D on board 9. The substance or material that the wave transfers through 10. A on board 11. a wave in which particles of the medium move in a direction parallel to the direction that the wave moves.

Down 2. a wave that is capable of transmitting its energy through a vacuum 3. A transfer of energy without a transfer of matter through mater or space 4. motion that is regular and repeating 5. a wave that is not capable of transmitting its energy through a vacuum. 7. C on board 8. a wave in which particles of the medium move in a direction perpendicular to the direction that the wave moves.