8th Grade Physical SLO Review Question Preview (ID: 33945)
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Scientists use prior experiences to...
a) Make predictions about what will happen
b) collect data
c) analyze their data
d) serve as a control in their experiment
What is the last step of the Scientific Method?
a) Communicate
b) Hypotheses
c) Variables
d) Observations
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
After scientists analyze the results of their experiments, they___
a) Form a conclusion
b) Form hypotheses
c) Include a control
d) Choose the variables they want to test.
Which of the following steps to solve a problem must be completed first?
a) Asking or identifying a question
b) Analyzing data
c) Drawing conclusions
d) Testing a hypothesis
Which of the following steps of the Scientific Method is completed after creating a hypothesis?
a) Testing a hypothesis
b) Drawing conclusions
c) Analyzing data
d) Recognizing and identifying a problem
___ can save time and money by testing ideas that would otherwise be difficult to test quickly and easily
a) Models
b) Biases
c) Conclusions
d) Variables
A prediction or statement that can be tested is_____
a) Hypothesis
b) Control
c) Observation
d) Conclusion
A factor in an experiment that can change is___
a) Variable
b) Observation
c) Control
d) Hypothesis
Scientists conduct multiple trials of their experiments because...
a) Their results are more likely to be reliable
b) It costs less
c) Unusual occurrences are likely to be repeated every time
d) Experiments always have the same results
One tool that can be used to display your data is...
a) Graph
b) Microscope
c) Balance
d) Spring scale
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
Which of the following units is a part of the International System of Units or SI?
a) Meters
b) Pounds
c) Ounces
d) Inches
Speed is the rate of change in____
a) Distance
b) Direction
c) Velocity
d) Time
To describe velocity you need to know____
a) Speed and direction
b) Speed and time
c) Direction and acceleration
d) Speed and acceleration
Acceleration is a change in___
a) Velocity
b) Speed
c) Displacement
d) Position
Inertia...
a) Resists a change in motion of an object
b) Depends on direction
c) Depends on momentum
d) Depends on distance
If you exert a force on an object in motion you will change its...
a) Momentum
b) Inertia
c) Mass
d) Weight
Momentum is a measure of...
a) How hard it is to stop an object
b) The amount of matter something has
c) The tendency of an object to change its motion
d) The amount of force
Forces that are equal in size but opposite in direction are...
a) Balanced
b) Frictional
c) Gravitational
d) Net
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