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Grade 7 Midterm Review A
Test Description: Midterm Review
Instructions: Answer all questions to get your test result.
1) What explains something that takes place in the natural world?
A
Technology
B
Scientific theory
C
Experiments
D
Scientific Law
2) An airplane model is an example of what type of model?
A
physical
B
idea
C
mental
D
computer
3) What is a rule describing a pattern in nature called?
A
Scientific Law
B
Explanation
C
Scientific Theory
D
Ideas
4) Which of the following is NOT an example of a model?
A
Recipe
B
CD
C
Drawing
D
Map
5) What are the variables that DO NOT change in an experiment called?
A
Dependent Variable
B
Constants
C
Experiments
D
Independent Variable
6) An educated guess based on what you know and what you observe is called which of the following?
A
Conclusion
B
Hypothesis
C
Guess
D
Prediction
7) What are two pieces of information you need to know the velocity of an object?
A
Distance and Time
B
Speed and Direction
C
Speed and Motion
D
Motion and Momentum
8) An object is in motion if it changes position relative to:
A
Speed
B
Momentum
C
a reference point
D
Direction
9) The speed of an object can be calculated by
A
dividing speed and time
B
adding time and distance
C
multiplying distance and speed
D
Distance divided by time
10) A line on a distance-time graph becomes steeper as an object’s speed:
A
increases
B
decreases
C
None of the above
D
remains constant
*select an answer for all questions
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