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Physical Science Final Review
Test Description: Physical Science Review
Instructions: Answer all questions to get your test result.
1) What is the second step of the scientific method?
A
Brag about Results
B
Form a Hypothesis
C
Ask a Question
D
Analyze Evidence
2) The factor that is manipulated by the scientist in an experiment is called the
A
Dependent variable
B
Independent Variable
C
Control Variable
D
Constant Variable
3) Which of the following is not made of matter?
A
Bricks
B
The Human Brain
C
Light
D
Footballs
4) Examples of physical properties of matter include
A
Hardness
B
Color
C
Odor
D
All of the Above
5) The ability of iron to rust is an example of...
A
flammability
B
Physical Property
C
displacement
D
Chemical property
6) What are the units for mass?
A
L
B
M/s
C
g
D
M^2
7) Mass is measured with a
A
Beaker
B
Meter stick
C
Graduated Cylinder
D
Scale
8) What is the formula for density?
A
Mass/density
B
Mass/Volume
C
Volume/Mass
D
Mass*Density
9) Which of the following is a chemical change?
A
Mixing vinegar and baking soda
B
Breaking a branch off a tree
C
Twisting a piece of metal
D
melting chocolate
10) How many things in an experiment should the experimenter change?
A
4
B
1
C
3
D
As many as necessary to get the job done
11) The variable that is measured is called the
A
Independent variable
B
The dependent variable
C
The X variable
D
Constant Variable
12) If you do an experiment on the affects of water on plant growth, which factors would you have to control
A
the type of soil used
B
The amount of sunlight the plants are getting
C
The type of plants used
D
All of the above.
13) What happens when matter changes state?
A
the energy levels of its particles change
B
Two of the above
C
Its chemical properties change
D
Its physical properties remain constant
14) What is the law of Conservation of Matter?
A
Matter can not be created nor destroyed
B
Matter can neither be moved or changed
C
Matter is a solid liquid or gas
D
Matter cannot change its physical or chemical properties
15) Which state of matter has a changing volume and shape?
A
liquid
B
2 of the above
C
solid
D
gas
16) Which state of matter has particles with the least energy?
A
Plasma
B
Solid
C
Gas
D
Liquid
17) The molecules of gas in a closed container
A
exert pressure
B
All of the above
C
Are always moving
D
Keep bumping into each other
18) What can be proved by the scientific method
A
Cows really like to see blue objects
B
A penny falling off the empire state building will strike the ground at 8,000 m/
C
Ghosts are real
D
Eating meat makes people happier
19) Georgie is trying to determine how alert someone is at different times of the day, he has someone respond to a stimulus as quickly as they can at 6 AM, 11 AM, 3PM, and 8 PM Which of the following is a valid hypothesis
A
If the test is done in the morning then the subject will be more alert
B
If the subject has longer hair, then they will be more alert
C
If the subject is male then he will do poorly in the experiment
D
If the subject has more caffeine then they will be more alert
20) An experiment is not considered valid if
A
It can be documented
B
It has only one variable
C
It cannot be repeated
D
it is done by an odd looking person
*select an answer for all questions
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