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Worksheets8th Grade Science FSA review
Total questions: 32
Worksheet time: 22mins
Name
Class
Date
1.
What is the first step in the scientific method?
a)
Form a hypothesis
b)
Form a hypothesis
c)
State the problem
d)
Draw a conclusion
2.
What is the difference between an independent and dependent variable?
a)
independent variable is what you change in the experiment, dependent variable is the result of the change
b)
dependent variable is what you change in the experiment, independent variable is the result of the change
c)
independent variable is altered and dependent variable is altered too
3.
What is the controlled variable?
a)
control is the same as the dependent variable
b)
controlled variable stays the same
c)
control is the same as the independent variable
d)
not all experiments need a control
4.
What is the difference between a theory and a law?
a)
a theory is an tenative answer to a problem and a law is how things work in nature
b)
theory is a statement about how things work in nature that seem to be true all the time and a law is an explanation of things based on scientific knowledge that is the result of many observations and experiments
c)
law is a statement about how things work in nature that seem to be true all the time and a theory is an explanation of things based on scientific knowledge that is the result of many observations and experiments
d)
There is no difference between a theory and a law
5.
What are the properties of life?
a)
growth and reproduction
b)
more than one cell
c)
able to move around
d)
have a nose to breathe
6.
What is reproduction?
a)
growing
b)
producing offspring similar to parents
c)
making something new
7.
What is a cell?
a)
smallest piece of matter
b)
atoms
c)
building block of life
d)
an organ
8.
What is the theory of evolution?
a)
all things will survive
b)
things change over time
c)
everything will eventually die
d)
things that can adapt will survive
9.
What is competition?
a)
differences among species
b)
things that happen because of limited food sources and land area
c)
different forms of a gene
d)
differences among similar species
10.
What is an allele?
a)
differences among species
b)
things that happen because of limited food sources and land area
c)
the different forms of a gene
d)
differences among similar species
11.
What is the charge of a proton?
a)
positive
b)
negative
c)
neutral
d)
can be positive or negative
12.
What is the charge of a neutron?
a)
positive
b)
negative
c)
neutral
d)
can be positive or negative
13.
What is the charge of a electron?
a)
positive
b)
negative
c)
neutral
d)
can be positive or negative
14.
What does the atomic number represent?
a)
number of electrons
b)
number of neutrons
c)
number of protons
d)
nothing
15.
What is a wave?
a)
protons or electrons
b)
a disturbance that transfers energy from one place to the next
c)
when lines are close together
d)
effects caused by limited resources
16.
What is weathering?
a)
same thing as erosion
b)
high elevation
c)
water and ice
d)
The process that breaks down rock and other substances on Earth's surface
17.
Which of Newton's laws of motion explains why you must lift a cup if you want to drink from it?
a)
1st law--An object at rest will stay at rest and an object in motion will remain in motion unless a force acts upon it.
b)
2nd law--The amount of force needed to move an object depends on its mass and acceleration.
c)
3rd law--For every action there is an equal and opposite reaction
d)
4th law--Gravity depends on mass and distance
18.
Minerals have several properties including color. What does its color depend on?
a)
its lustre
b)
its streak
c)
its hardness
d)
its composition (the chemical it's made of)
19.
Where are earthquakes most likely to occur?
a)
In the middle of plates
b)
In the oceans
c)
Along plate boundaries
d)
Anywhere on the Earth
20.
Why does the Earth orbit the Sun and not a planet in the solar system?
a)
The Sun is more massive than the planets so it's mass causes the gravitational pull.
b)
It just happened that way.
c)
The Earth pulls the Sun toward it because it is so massive.
d)
The Earth is closer than the other planets so the distance causes the gravitational pull.
21.
Some objects like the Sun produce their own light. Others don't. Why can we see objects that don't produce light?
a)
They absorb the light.
b)
They reflect the light.
c)
They transmit the light.
d)
They bounce the light around until it strikes our eyes.
22.
Suppose you jump off a the front of a skateboard. What are the action and reaction forces between you and the skateboard?
a)
The skateboard provides the action force and you react by jumping forward.
b)
There are two action forces and no reaction forces in this example.
c)
You provide the action force and the boat reacts by moving backwards.
d)
The forces are equal and opposite. There's no action and reaction force.
23.
What's a mid-ocean ridge?
a)
An underwater mountain range formed where two plates collide.
b)
An underwater mountain range formed where two plates slide past each other.
c)
An underwater mountain range formed where two plates subduct.
d)
An underwater mountain range formed where two plates separate.
24.
The main element that makes up stars is _________.
a)
Hydrogen
b)
Helium
c)
Nitrogen
d)
Oxygen
25.
Suppose you have a block of wood that has a mass of 5 kg. What will happen to the speed of the wood if you apply 10, 20, & 40 N of force to the block for 10 seconds.
a)
It will stay the same.
b)
The final speed will be four times the speed produced by the 10 kg force.
c)
The final speed will be 80 times the speed produced by the 10 kg force.
d)
None of the above are correct.
26.
Some resources are renewable and will not run out. Some are finite and can't be renewed. Which of these resources is non-renewable?
a)
solar
b)
hydroelectric
c)
wind
d)
oil
27.
What kind of adaptation would you be most likely to see in these little moles that live underground?
a)
Wings
b)
Fins
c)
An adaptation to keep dirt out of their eyes.
d)
None of the above
28.
Which technology would be useful for studying moon phases
a)
Spectroscope
b)
Space Probe
c)
Telescope
d)
The international Space Station
29.
How many more people have purple for a favorite color than red?
a)
3
b)
5
c)
7
d)
9
30.
How many students have blue for a favorite color?
a)
11
b)
12
c)
14
d)
17
31.
What is the independent variable on the graph (x-axis)?
a)
Flavor
b)
Number of Votes
c)
Favorite Ice Cream
32.
What is the dependent variable on the graph (y-axis)?
a)
Flavor
b)
Number of Votes
c)
Favorite Ice Cream
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