Unit Test: Scientific Method

1. The technique used to smell and describe the odor of a chemical is

A) inhaling
B) wafting
C) sniffing
D) tasting

2. Sandals, open-toed shoes and flip flops are appropriate for wearing in the scienc lab.

A) True
B) False

3. When heating a test tube, the mouth of test tube, should point

A) staight up
B) towards you
C) sideways
D) away from you

4. Long hair, hanging jewelry, and loose clothing can be dangerous in a lab.

A) False. They are perfectly safe as long as you have read through all of the directions.
B) True. They can get into chemicals, fire, or knock something over.

5. You have accidentally broken a test tube and spilled a chemical on the table. Which of the following best explains what you should do?

A) Use water and paper towels to clean up the spill; place the broken test tube in the disposal container specified by the teacher for sharp objects.
B) Throw the glass into the nearest trash bin and let the spill air-dry.
C) Caution your lab partners to avoid the area while you inform the teacher of the small accident.
D) Quickly dispose of the glass, wipe up the spill with the nearest cloth, and hope nobody notices.

6. Before starting a lab you should...

A) All of these
B) Clear off your table of books, food, and drinks.
C) Ask the teacher about any questions you have.
D) Read all directions

7. Why did the can of cola sink, but the can of vegetable juice float?

A) The can of cola had more sugar than the vegetable juice.
B) The can of cola was darker in color than the vegetable juice.
C) The can of cola had more caffeine than the can of vegetable juice.
D) There was more liquid in the can of cola than the can of vegetable juice.

8. What was the variable that we changed in the poppers experiment?

A) color
B) temperature
C) type
D) surface

9. What did we measure in the poppers experiment?

A) time
B) loudness
C) height
D) temperature

10. Why did the penny hold more drops of plain water than soapy water?

A) weight
B) temperature
C) surface tension
D) gravity

11. Flexible thinking is when

A) you consider different explanations for an event
B) your senses give you incomplete information
C) you don’t tell the truth
D) you think while doing gymnastics

12. The unit of measure for volume is

A) Meters (m)
B) Celsius (C)
C) Liters (L)
D) Grams (g)

13. The unit of measure for mass is

A) Celsius (C)
B) Liters (L)
C) Meters (m)
D) Grams (g)

14. The unit of measure for temperature is

A) Grams (g)
B) Celsius (C)
C) Liters (L)
D) Meters (m)

15. The unit of measure of length is

A) Meters (m)
B) Grams (g)
C) Celsius (C)
D) Liters (L)

16. The name of the curve that is formed in a graduated cylinder containing a liquid is a meniscus.

A) False
B) True

17. Exploring and learning more about a problem is

A) hypothesis
B) research
C) data
D) conclusion

18. To make a testable prediction or an educated guess is

A) data
B) research
C) hypothesis
D) conclusion

19. This is done to test the hypothesis through several specific steps

A) conclusion
B) data
C) research
D) experiment

20. This is information collected, mostly numbers, when the experiment is done

A) data
B) conclusion
C) hypothesis
D) hypothesis

21. Comparing the hypothesis with the data collected, saying whether the hypothesis is right or wrong is the

A) data
B) experiment
C) research
D) conclusion

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