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
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1. Scientists use observations and data to form and test
a. Constants
b. Hypotheses
c. Theories
d. Conclusions
Answer = B. Hypothesis
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2. During an experiment, which factors are observed and measured?
a. dependent variables
b. independent variables
c. constants
d. hypotheses
Answer = A. dependent variables
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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
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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
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5. This country standardized the measurement system
a. England
b. USA
c. France
d. Germany
Answer = C. France
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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
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7. Converst the following measurement:
15g = _________kg
Answer = .015 kg
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Convert the following measurement:
1.76 DL = ______________ mL
Answer = 17600 mL
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9. The amount of matter that makes up an object is it’s
a. density
b. mas
c. volume
d. weight
Answer = B. Mass
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10. The amount of space that an object takes up is
a. mass
b. density
c. volume
d. weight
Answer = C. Volume
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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
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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
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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
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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
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15. What is the base unit of density
a. grams
b. meters
c. g/mL
d. g/m3
Answer = C. g/mL
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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
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17. What is the line pointing to?
a. eyepiece
b. objective lenses
c. diaphragm
d. arm
?
Answer = A. eyepiece
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18. What is the line pointing to?
a. light source
b. objective lenses
c. diaphragm
d. stage adjustment knob
?
Answer = C. diaphragm
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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
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20. What is the correct formula for writing hypothesis statements?
If ____IV___ then ___DV___ because _____.
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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