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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
collect data
C
Make predictions about what will happen
D
serve as a control in their experiment
2) What is the last step of the Scientific Method?
A
Hypotheses
B
Variables
C
Observations
D
Communicate
3) Examples of the skills used in science include__ and __
A
Observations and measurements
B
Facts and inferences
C
Cholera and E coli outbreaks
D
Clues and detectives
4) After scientists analyze the results of their experiments, they___
A
Form a conclusion
B
Choose the variables they want to test.
C
Include a control
D
Form hypotheses
5) Which of the following steps to solve a problem must be completed first?
A
Asking or identifying a question
B
Analyzing data
C
Testing a hypothesis
D
Drawing conclusions
6) Which of the following steps of the Scientific Method is completed after creating a hypothesis?
A
Recognizing and identifying a problem
B
Drawing conclusions
C
Analyzing data
D
Testing a hypothesis
7) ___ can save time and money by testing ideas that would otherwise be difficult to test quickly and easily
A
Models
B
Variables
C
Conclusions
D
Biases
8) A prediction or statement that can be tested is_____
A
Conclusion
B
Observation
C
Hypothesis
D
Control
9) A factor in an experiment that can change is___
A
Hypothesis
B
Variable
C
Control
D
Observation
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
Microscope
B
Spring scale
C
Balance
D
Graph
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
Time
B
Distance
C
Velocity
D
Direction
15) To describe velocity you need to know____
A
Direction and acceleration
B
Speed and acceleration
C
Speed and time
D
Speed and direction
16) Acceleration is a change in___
A
Displacement
B
Speed
C
Velocity
D
Position
17) Inertia...
A
Depends on momentum
B
Depends on distance
C
Depends on direction
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
Weight
B
Inertia
C
Mass
D
Momentum
19) Momentum is a measure of...
A
The amount of matter something has
B
The amount of force
C
The tendency of an object to change its motion
D
How hard it is to stop an object
20) Forces that are equal in size but opposite in direction are...
A
Net
B
Gravitational
C
Balanced
D
Frictional
*select an answer for all questions
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