Grade 7 Midterm Review A Question Preview (ID: 5158)
Midterm Review.
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What explains something that takes place in the natural world?
a) Scientific Law
b) Scientific theory
c) Technology
d) Experiments
An airplane model is an example of what type of model?
a) physical
b) mental
c) computer
d) idea
What is a rule describing a pattern in nature called?
a) Ideas
b) Explanation
c) Scientific Theory
d) Scientific Law
Which of the following is NOT an example of a model?
a) CD
b) Map
c) Recipe
d) Drawing
What are the variables that DO NOT change in an experiment called?
a) Constants
b) Independent Variable
c) Dependent Variable
d) Experiments
An educated guess based on what you know and what you observe is called which of the following?
a) Prediction
b) Hypothesis
c) Guess
d) Conclusion
What are two pieces of information you need to know the velocity of an object?
a) Speed and Motion
b) Motion and Momentum
c) Distance and Time
d) Speed and Direction
An object is in motion if it changes position relative to:
a) a reference point
b) Speed
c) Direction
d) Momentum
The speed of an object can be calculated by
a) adding time and distance
b) Distance divided by time
c) multiplying distance and speed
d) dividing speed and time
A line on a distance-time graph becomes steeper as an object’s speed:
a) decreases
b) increases
c) remains constant
d) None of the above
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