Short Answer
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1.
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Directions: Review the scientific investigation below and answer questions 1
through 3.
What hypothesis is being tested in the
illustration?
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2.
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What
are some other sources of heat that could be used to test the same hypothesis?
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3.
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Why
does a properly designed experiment call for only one independent varabile to change at a
time?
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4.
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Review the data chart below and answer questions 4 through
6.
Can you infer from the data that people do not like
having lizards as pets? Explain
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5.
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Are
there the same number of birds owned as there are fish owned? Explain.
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6.
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If
you surveyed another 100 families, about how many would you expect to own dogs?
Explain.
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7.
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Directions: Use the picture below to answer questions 7 and
8.
What is the main factor you need to keep in mind when
drawing a conclusion? Explain.
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8.
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If
the two plants received different amounts of fertilizer, would you be able to draw a valid conclusion
about what made one plant grow more than the other? Explain.
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