1. Unit 1 Test Review

2. Scientists use observations and data to form and test
Constants
Hypotheses
Theories
Conclusions
Answer = B. Hypothesis

3. 2. During an experiment, which factors are observed and measured. a
2. During an experiment, which factors are observed and measured? a. dependent variables b. independent variables c. constants d. hypotheses
Answer = A. dependent variables

4. 3. The work of scientists begins with a. testing a hypothesis b
3. The work of scientists begins with a. testing a hypothesis b. asking a question c. creating experiments d. drawing conclusions
Answer = B. Asking a question

5. 4. In science, a hypothesis is useful only if a
4. In science, a hypothesis is useful only if a. it predicts an outcome b. it can be tested c. both a and b d. none of the above
Answer = C. both a and b

6. 6. The name of the standardized measurement system is a. SI b. Metric c. bot A and B d None of the above
Answer = C. both A and B

7. 7. Converst the following measurement: 15g = _________kg
Answer = .015 kg

8. Convert the following measurement:
1.76 DL = ______________ mL
Answer = mL

9. 9. The amount of matter that makes up an object is it’s a. density b
9. The amount of matter that makes up an object is it’s a. density b. mas c. volume d. weight
Answer = B. Mass

10. 11. Calculate the density of a object with a mass of 10 and a volume of 2. a. 5 b. 0.2 c. 20 d. 8
Answer = A. 5

11. 10. The amount of space that an object takes up is a. mass b. density c. volume d. weight
Answer = C. Volume

12. 12. Water displacement is a technique used to find what. a
12. Water displacement is a technique used to find what? a. Volume of a solid b. volume of an irregularly shaped oject c. mass of a solid d. mass of an irregularly shaped object
Answer = B. Volume of an irregularly shaped object

13. 13. One would use this type of graph to show change over time a
13. One would use this type of graph to show change over time a. scatter plot b. bar graph c. pie chart d. line graph
Answer = D. line graph

14. 14. This type of graph shows percentages of parts of a whole a
14. This type of graph shows percentages of parts of a whole a. bar graph b. pie chart c. scatter plot d. line graph
Answer = B. pie chart

15. 15. What is the base unit of density a. grams b. meters c. g/mL d. g/m3
Answer = C. g/mL

16. 16. What is the line pointing to? a. stage adjustment knob
b. diaphragm
c. fine adjustment knob
d. coarse adjustment knob ?
Answer = C. fine adjustment knob

17. 17. What is the line pointing to? a. eyepiece
b. objective lenses
c. diaphragm
d. arm ?
Answer = A. eyepiece

18. 18. What is the line pointing to? a. light source
b. objective lenses
c. diaphragm
d. stage adjustment knob ?
Answer = C. diaphragm

19. 19. What is not one of the “BIG 6” measuremtents that are part of the SI system? a. Mass b. Length c. Weight d. Time
Answer = c. weight

20. 20. What is the correct formula for writing hypothesis statements?
If ____IV___ then ___DV___ because _____.

21. 21. Write the correct abbreviations or name for each:
Kilogram
Meter hL Mm Cm
Gram
Millisecond Kg M
Hectoliter
Millimeter
Centimeter G Ms

22. A

23. A

24. D

25. B

26. A

27. C

28. B

29. A

30. C

31. A