unit 1 test review. 1.scientists use observations and data to form and test a.constants b.hypotheses...
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Unit 1 Test Review
1. Scientists use observations and data to form and test
a. Constants
b. Hypotheses
c. Theories
d. Conclusions
Answer = B. Hypothesis
2. During an experiment, which factors are observed and measured?
a. dependent variables
b. independent variables
c. constants
d. hypotheses
Answer = A. dependent variables
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
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
5. This country standardized the measurement system
a. England
b. USA
c. France
d. Germany
Answer = C. France
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. Converst the following measurement:
15g = _________kg
Answer = .015 kg
Convert the following measurement:
1.76 DL = ______________ mL
Answer = 17600 mL
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. The amount of space that an object takes up is
a. mass
b. density
c. volume
d. weight
Answer = C. Volume
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
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. 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. 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. What is the base unit of density
a. grams
b. meters
c. g/mL
d. g/m3
Answer = C. g/mL
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. What is the line pointing to?
a. eyepiece
b. objective lenses
c. diaphragm
d. arm
?
Answer = A. eyepiece
18. What is the line pointing to?
a. light source
b. objective lenses
c. diaphragm
d. stage adjustment knob
?
Answer = C. diaphragm
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. What is the correct formula for writing hypothesis statements?
If ____IV___ then ___DV___ because _____.
21. Write the correct abbreviations or name for each:
a. Kilogram
b. Meter
c. hL
d. Mm
e. Cm
f. Gram
g. Millisecond
a. Kgb. Mc. Hectoliterd. Millimetere. Centimeterf. Gg. Ms