Grade 8 Midterm Review: Question Preview (ID: 5160)

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What does is it mean to make an inference?
a) make observations
b) test
c) replace
d) draw a conclusion

Which of the following is NOT an example of a scientific hypothesis?
a) Paintings are prettier than sculptures.
b) Lava takes different forms depending on how it cools.
c) Some animals can detect ultrasound frequencies caused by earthquakes.
d) Earthquakes happen because of stresses along continental plates.

Using a computer to make a three dimensional picture of a building is a type of which of the following?
a) hypothesis
b) model
c) inference
d) observation

What explains something that takes place in the natural world?
a) Scientific Theory
b) Technology
c) Experiments
d) Scientific Law

An airplane model is an example of what type of model?
a) computer
b) mental
c) idea
d) physical

What is a rule describing a pattern in nature called?
a) Scientific Law
b) Possible Explanantion
c) Technology
d) Scientific Theory

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) constant
b) inferences
c) dependent variable
d) independent variable

An educated guess based on what you know and what you observe is called which of the following?
a) prediction
b) explanation
c) guess
d) hypothesis

Mass is best defined as a measure of:
a) The amount of space an object occupies
b) The length of an object
c) Length x width x height
d) The amount of matter an object contains

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