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Metrics/Safety Study Guide
1) What is the SI prefix for 1/1000?
A) meter B) milli C) centi D) deci
2) What is the SI prefix for 1/100?
A) deka B) milli C) centi D) deci
3) What is the SI prefix for 1/10?
A) deka B) milli C) centi D) deci
4) What is the SI prefix for 10?
A) deka B) milli C) centi D) deci
5) What is the SI prefix for 100?
A) deka B) hecto C) kilo D) deci
6) What is the SI prefix for 1000?
A) deka B) hecto C) kilo D) deci
7) 105m =
A) 0.0001 m B) 10,000 m C) 100,000 m D) 1,000 m
8) 100m =
A) 0 m B) 1 m C) 10 m D) 0.1 m
9) 101m =
A) 0 m B) 1 m C) 10 m D) -1m
10) 10-1m =
A) 10 m B) -1 m C) -.1 m D) .1 m
11) 10-2m =
A) -100 m B) -2 m C) -.01 m D) .01 m
12) What is the SI unit for measuring temperature?
A) meter B) liter C) Celsius D) Fahrenheit
13) What is the SI Unit for measuring length?
A) meter B) grams C) inches D) liter
14) What is the SI unit for measuring liquid volume?
A) meter B) liter C) ounce D) pound
15) What is 1.67 m in cm?
A) 1.67 cm B) 1670 cm C) 16.7 cm D) 167 cm
16) What is 7.32kg in g?
A) 7.32 g B) 73.2 g C) 732 g D) 7320 g
17) About how big is a centimeter?
A) width of a thumb B) thickness of a dime C) little more than a mile D) length of a foot
18) The height of the classroom door is about
A) 1 m B) 2 m C) 10 cm D) 100 mm
19) Why should we use the metric system?
A) It is the law B) Its easier to convert units
C) We should use the English system instead D) Because the teacher told us to use it
20) Why is lab safety important?
A) Because it is the law B) So that no one gets hurt
C) Because the teacher told us to do it D) Because our parents told us to do it
21) When should we use powers of 10?
A) When we write very large or very small numbers B) Only when the teacher asks us to do it
C) When we write very large numbers D) When we write very small numbers
22) What should you do after you are done with a lab activity?
A) Clean up and wash your hands thoroughly B) Run around the room
C) Mix chemicals for the fun of it D) Drink and eat near lab equipment
23) This lab symbol means
A) Treat live animal with care B) Feed the mice
C) Experiment on live animal freely D) Watch out for mice in the room
24) Chemicals should be disposed ….
A) in the sink B) in the trash can
C) outside D) according to the instruction of the teacher
25) If you have loose clothing or long hair what should you do before working with flames?
A) roll up your sleeves and tie your hair back B) Do nothing special
C) work near a fire extinguisher D) Refuse to work on the lab activity
26) If you see broken glassware, what should you do?
A) pick them up with your bare hands B) notify the teacher immediately
C) Do nothing special D) work around the broken glassware
27) When teacher asks you to detect odor of a chemical, how should you do it?
A) smell carefully by using a wafting motion B) inhale deeply
C) use only one nostril D) ask a partner to smell it