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