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