Science 9 Crossword

2. A circle containing a flaming “O” is the WHMIS symbol for
7. Any infections materials including blood, urine saliva
11. The part of the experiment that is affected by the independent variable
13. Who must be in the room while you're doing the labs?
15. Materials causing long term effects
16. Why can't you wear baggy clothes during a lab?
18. Any part of the experiment that is subject to change
20. Unstable materials ( can burn or explode if heated, shaken or mixed with other chemicals)
23. What do you do if a chemical gets in your eye?
24. A circle with a bar, a hand and test tube is the WHMIS symbol for

1. What is WHMIS?
3. What should you do if you're unsure about the instructions?
4. Proper way to smell a substance
5. Your partner got too close to the open flame and now their clothes are on fire! What do you grab?
6. What is one of the three basic elements to WHMIS?
8. May cause its container to explode if heated or dropped
9. What do you do with long hair?
10. A substance that burns at room temperature
12. Something that is not being tested, for being used as comparison
14. On a bottle your teacher gives you, you see a skull and cross bones. this means that in the bottle there is...
17. Materials causing immediate or serious toxic effects
19. Used in every lab.
21. One of four safety rules
22. Educated guess