SCIENCE 7 – SAFETY EXAM
SEPTEMBER 2012
TRUE or FALSE (10 marks) TOTAL /30
1. The scientific method is a process used to investigate phenomena by gathering data through observation and experimentation that is measurable and repeatable / T F2. There are several different versions of the scientific method, but they all have the same number of steps. / T F
3. A Hypothesis is an explanation of phenomena, an educated guess or possible solution to your question or problem. It should be written in point form and must be testable. / T F
4. If you observe other students doing something that you consider dangerous, it is your responsibility to stop them before the teacher finds out. / T F
5. When unplugging electrical equipment, pull the cord and not the plug to keep your hands at a safe distance from the socket. / T F
6. If chemicals come into contact with your eyes, wash them immediately and continuously for 10 minutes, and personally inform your teacher. / T F
7. After completing a lab, dispose of all materials in a sink. / T F
8. When carrying equipment for an activity or investigation, carry only two objects at a time at most, one for each hand. / T F
9. Hold containers away from your face when pouring liquids. / T F
10. When smelling a substance, hold the container directly beneath your nose and fan the fumes towards yourself. / T F
MULTIPLE CHOICE (10 marks)
11. When you are on a field trip or doing activities outdoors, you should:
a) Try to disturb the area as little as possible.
b) Move things carefully (and only if required to do so) and always replace it.
c) Remove plant material gently (if required) and take as little as possible.
d) All of the above.
12. When working with living creatures in the classroom, you should:
a) Treat living creatures with respect.
b) Treat living creatures inhumanely (i.e. without compassion). After all, they are created by God for humans to do with as they please.
c) Never return living creatures back to their natural environment when your work is complete. This could contaminate the environment.
d) None of the above.
13. When working in the science classroom:
a) Do not wait around and waste time. Begin as soon as you are ready.
b) Know the location of the nearest fire extinguisher, first aid kit and fire alarm
c) It is not important to check WHMIS symbols. These only apply in the workplace.
d) None of the above.
14. To dress for success in the science classroom, you should:
a) Wear baggy clothing to prevent chemicals from contacting your skin should you spill any on yourself.
b) Wear goggles, lab aprons, gloves and all available safety clothing at all times.
c) Tie back long hair, and avoid wearing scarves, ties or long necklaces.
d) Both A and B
15. When working with sharp objects:
a) Always cut away from yourself and others to prevent injury.
b) Point the pointed end away from yourself and towards others if you have to walk with it.
c) Use only equipment that is perfect condition or only slightly chipped or cracked.
d) Dispose of broken glass in the garbage.
e) All of the above
16. When working with heat:
a) Always use heat proof containers
b) Do not use broken or cracked containers
c) Do not allow a container to boil dry
d) All of the above
17. When cleaning up in the science classroom, you should:
a) Clean up any spills as instructed by your teacher.
b) Leave equipment out so it can be cleaned properly by your teacher before putting it away.
c) Dispose of all materials down the sink.
d) Carefully pick up broken glass with your hands and place in the broken glass container.
18. Which of the following is not part of the scientific method we will be using in this course:
a) Observe or witness a phenomena
b) Define the problem or question
c) Form a hypothesis
d) Analyze data
e) None of the above
19. Phenomena is:
a) Only observed through our five senses.
b) Observed only through instrumentation (e.g. telescope, microscope)
c) Observed through our five senses and through instrumentation.
d) None of the above
20. Which of the following is a household safety symbol:
a) Explosive
b) Oxidizing material
c) Highly volatile
d) Poisonous and infectious material causing other toxic effects
HOUSEHOLD SAFETY SYMBOLS - (5 marks)
21. What does the following safety symbol mean?
a) Caution - Explosive
b) Caution - Corrosive
c) Hazard - Poison
d) Hazard - Biohazard
e) Warning - Radioactive
22. What does the following safety symbol mean?
a) Caution - Explosive
b) Caution - Corrosive
c) Hazard - Poison
d) Hazard - Biohazard
e) Warning - Radioactive
23. What does the following safety symbol mean?
a) Warning - Flammable
b) Hazard - Flammable
c) Warning - Explosive
d) Warning - Biohazard
e) Caution - Radioactive
24. What does the following safety symbol mean?
a) Caution - Explosive
b) Hazard - Corrosive
c) Caution - Poison
d) Caution - Biohazard
e) Warning - Radioactive
25. What does the following safety symbol mean?
a) Explosive
b) Corrosive
c) Poison
d) Biohazard
e) Radioactive
WHMIS (6 marks)
26. What does WHMIS stand for?
a) Workplace Hazardous Information System
b) Workplace Harmful Materials Information Symbols
c) Working Hazards Material Informative Symbols
d) Workplace Hazardous Materials Information System
27. What does the following WHMIS symbol represent?
a) Poisonous and infectious, causing immediate and serious toxic effects
b) Corrosive material
c) Oxidizing material
d) Flammable and combustible material
28. What does the following WHMIS symbol represent?
a) Poisonous and infectious, causing immediate and serious toxic effects
b) Poisonous and infectious, causing other toxic effects
c) Dangerously reactive material
d) Flammable and combustible material
29. What does the following WHMIS symbol represent?
a) Poisonous and infectious, causing immediate and serious toxic effects
b) Corrosive material
c) Oxidizing material
d) Flammable and combustible material
30. What does the following WHMIS symbol represent?
a) Poisonous and infectious, causing immediate and serious toxic effects
b) Poisonous and infectious, causing other toxic effects
c) Dangerously reactive material
d) Flammable and combustible material