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Science Benchmark Review Part 4 (Jones)
Test Description: Review of Discovery Ed Science Benchmark
Instructions: Answer all questions to get your test result.
1) The food that is produced lasts longer without spoiling.
A
It heats the oil and causes it to evaporate.
B
It attracts both water and oil molecules so they can rinse away together.
C
It absorbs the oil and repels the water.
D
It kills bacteria, which weakens the oil.
2) A chemical taken from certain plants has been proven to work as a pesticide. This is the hypothesis: The chemical is from nature, so it will not have any negative effects on the environment. How might you first go about testing this hypothesis safely
A
Perform a set of tests on humans to find out whether the chemical is safe.
B
Conduct a field study to see how the chemical interacts with its test environment.
C
Perform lab tests of basic chemical reactions involving the test substance.
D
Perform a set of tests on rats to see the effects of the chemical on mammals.
3) Friction is a ___.
A
force
B
form of energy
C
form of matter
D
form of gravity
4) Friction is caused by the ___ of objects, liquids, or gases moving past each other.
A
inability
B
conversion
C
ease
D
resistance
5) What effect does friction have on a moving object?
A
It causes the moving object to turn around and move in the opposite direction.
B
It keeps the moving object moving in the same direction forever.
C
It causes the moving object to slow and eventually stop.
D
It causes the moving object to speed up.
6) The sea level boiling point of water on the Fahrenheit scale is ___.
A
112 degrees
B
124 degrees
C
212 degrees
D
100 degrees
7) When molecules in a substance vibrate faster and faster, what happens to the temperature of the substance?
A
It stays the same.
B
It depends on the change in speed of the vibrations.
C
It gets warmer.
D
It gets colder.
8) What happens to the molecules as water freezes?
A
The water molecules stop moving.
B
The water molecules move faster.
C
The water molecules slow down.
D
The water molecules react chemically to form ice molecules.
9) What is Mrs. Jones's room number?
A
216
B
217
C
223
D
222
10) How many lunch shifts do we have?
A
1
B
4
C
2
D
3
*select an answer for all questions
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