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