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Analyzing Evidence — Unit test Answers

19 verified answers
21
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Why have improvements in microscopes over time resulted in revisions in the cell theory?

A
They have revealed new information about cell structure and processes.
B
They have made microscopes easier to use.
C
They have allowed scientists to share pictures of the cells being studied.
D
They have made it possible to confirm what scientists already suspected.
22
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Take a look at the statement below:Fish meal is better than artificial fertilizers.How could this statement be revised to make it a hypothesis?

A
Fish meal is safer than artificial fertilizers, but it does not make plants grow.
B
Fish meal is a better fertilizer than artificial fertilizer because fish meal is natural.
C
Plants that are fertilized with fish meal will grow taller than plants that receive artificial fertilizer.
D
Plants that receive artificial fertilizer will be better than plants that receive fish meal.
23

The results of a dart game were precise but not accurate. The accepted value of the game was the center of the dartboard.

A
All of the darts hit the center of the board.
B
Some of the darts hit the center of the board.
C
The darts hit the same general area of the board.
D
The darts hit very different areas of the board.
24

Francis was recording plant heights for an experiment. Each time that she took a measurement, she wrote it down. Then, she measured the plant again and compared the new measurement to the one that she had recorded in her notebook. What was she most likely trying to do?

A
revise her hypothesis
B
check her memory
C
make the data more valid
D
form a conclusion
25

Poor measurement practices are likely to lead to data that are

A
calibrated.
B
inconsistent.
C
minimal.
D
scientific.

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