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Worksheets8th Grade Physics Final Review
Total questions: 15
Worksheet time: 13mins
Name
Class
Date
1.
If a 165 lb man with the mass of 67 kg travels to Mercury, what would be the effect on his mass and weight?( AKS 12.c)
a)
There is no changes to his mass nor weight
b)
His mass would change, but his weight would stay the same
c)
His weight would change, but the mass is the same
d)
Both his mass and weight would change
2.
What would happen to the gravitational force if the mass of an object increases? ( AKS 12.a)
a)
The gravitational force would decrease
b)
The gravitational force would increase
c)
The gravitational force does not change
3.
In which of the following does sound travel faster in? ( AKS 19.d)
a)
Through a brick wall
b)
In a swimming pool
c)
In a vacuum
d)
Sound always travels at a constant speed
4.
If gamma rays have high energy, what would be the frequency and wavelength of the waves? ( AKS 18.b)
a)
High frequency, long wavelength
b)
Low frequency, long wavelength
c)
Low frequency, short wavelength
d)
High frequency, short wavelength
5.
Which particle is negatively charged and able to penetrate through a sheet of paper, but not lead? (AKS 24.a)
a)
Beta particle
b)
Gamma particle
c)
Alpha particle
d)
None of the above
6.
Two objects have force of gravity acting upon them. If the distance of the objects increase, what would happen to the force of gravity?(AKS 12.b)
a)
The force of gravity will not change
b)
The force of gravity will decrease
c)
The force of gravity is affected by mass not distance
d)
The force of gravity will increase
7.
An archeologists founded a 100 grams of Uranium-238. The half life of Uranium-238 is 4.5 billion years. How many grams will be left after 562,500,000 years? (AKS 24.c)
a)
87.5 grams
b)
The grams only decay after the half-life has been completed
c)
There is not enough information
d)
12.5 grams
8.
What happens to the flow of electron when the voltage increases?(AKS 16.C)
a)
The flow of electrons slows down
b)
The voltage doesn't affect the flow of electrons
c)
The flow of electrons speed up
9.
What would be the mechanical advantage of the machine if its output is 900 and its input is 300? (AKS 13.e)
a)
The mechanical advantage is 3
b)
The mechanical advantage is 1/3
c)
The mechanical advantage can't be determined
10.
If a ball was rolling, which surface would the ball cover the least amount distance? (AKS 11.b)
a)
Glass Floor (even though that is not likely someone would have that flooring)
b)
Flat concrete
c)
Hardwood
d)
Carpet
11.
Reference the picture behind.
If lightbulb #1 were to go off, what would happen to the other lightbulbs? (AKS 16.d)
If lightbulb #1 were to go off, what would happen to the other lightbulbs? (AKS 16.d)
a)
The other lightbulbs will remain lit, but slightly dimmed
b)
Lightbulb #2 would remain lit, but lightbulb #3 would go off
c)
The other lightbulbs would remain lit with same brightness
d)
Both of the lightbulbs would go off
12.
What is the difference between nuclear fusion and nuclear fission?(AKS 24.b)
a)
In nuclear fusion, the nucleus breaks into two smaller nuclei
b)
In nuclear fusion, two small nuclei join together to create one large nuclei
c)
Nuclear fusion involves a chain reaction, while nuclear fission don't
13.
How is the voltage and the current flow affected in a direct current? (AKS 16.g)
a)
The voltage reverses, and the current flow stays constant
b)
The voltage and the current flow reverses
c)
The voltage and the current flow stays constant
d)
The current flow reverses, and the voltage stays constant
14.
(Reference the picture)
Which of the following colors of the rainbow would have the most energy? (AKS 20.a)
Which of the following colors of the rainbow would have the most energy? (AKS 20.a)
a)
Orange
b)
Red
c)
Blue
d)
Green
15.
A man that has a mass of 97 kg and a boy that has a mass of 47 kg are walking. Who has more inertia? (AKS 10.a1)
a)
The man
b)
The boy
c)
They both have the same amount of inertia
d)
There is not enough information to determine their inertia
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