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8th Grade Physical SLO Review
Test Description: Review for our SLO
Instructions: Answer all questions to get your test result.
1) Scientists use prior experiences to...
A
analyze their data
B
Make predictions about what will happen
C
collect data
D
serve as a control in their experiment
2) What is the last step of the Scientific Method?
A
Communicate
B
Observations
C
Variables
D
Hypotheses
3) Examples of the skills used in science include__ and __
A
Observations and measurements
B
Facts and inferences
C
Clues and detectives
D
Cholera and E coli outbreaks
4) After scientists analyze the results of their experiments, they___
A
Form hypotheses
B
Form a conclusion
C
Choose the variables they want to test.
D
Include a control
5) Which of the following steps to solve a problem must be completed first?
A
Asking or identifying a question
B
Drawing conclusions
C
Analyzing data
D
Testing a hypothesis
6) Which of the following steps of the Scientific Method is completed after creating a hypothesis?
A
Drawing conclusions
B
Testing a hypothesis
C
Recognizing and identifying a problem
D
Analyzing data
7) ___ can save time and money by testing ideas that would otherwise be difficult to test quickly and easily
A
Biases
B
Variables
C
Conclusions
D
Models
8) A prediction or statement that can be tested is_____
A
Hypothesis
B
Observation
C
Conclusion
D
Control
9) A factor in an experiment that can change is___
A
Control
B
Variable
C
Observation
D
Hypothesis
10) Scientists conduct multiple trials of their experiments because...
A
Unusual occurrences are likely to be repeated every time
B
It costs less
C
Experiments always have the same results
D
Their results are more likely to be reliable
11) One tool that can be used to display your data is...
A
Graph
B
Spring scale
C
Microscope
D
Balance
12) A good way to organize and record your results and observations is...
A
In a data table
B
Using a calculator
C
With a balance
D
Having a hypothesis before you begin
13) Which of the following units is a part of the International System of Units or SI?
A
Inches
B
Meters
C
Pounds
D
Ounces
14) Speed is the rate of change in____
A
Direction
B
Velocity
C
Time
D
Distance
15) To describe velocity you need to know____
A
Speed and time
B
Direction and acceleration
C
Speed and direction
D
Speed and acceleration
16) Acceleration is a change in___
A
Displacement
B
Velocity
C
Position
D
Speed
17) Inertia...
A
Depends on momentum
B
Depends on direction
C
Resists a change in motion of an object
D
Depends on distance
18) If you exert a force on an object in motion you will change its...
A
Weight
B
Momentum
C
Mass
D
Inertia
19) Momentum is a measure of...
A
The amount of matter something has
B
The tendency of an object to change its motion
C
The amount of force
D
How hard it is to stop an object
20) Forces that are equal in size but opposite in direction are...
A
Balanced
B
Gravitational
C
Frictional
D
Net
*select an answer for all questions
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