1			2		3
4
									5
		6				7
								8		9
		10
		11

Across 4. does not allow water to go through them 7. does not break easily when pushed or pulled 10. cannot bend easily without breaking 11. not heavy

Down 1. cannot be scratched easily 2. breaks easily 3. allow light to pass through 5. can be scratched easily 6. can bend easily without breaking 8. an iron nail can __________in water 9. food wrap can __________ on water