The Science Process (SC.7.N.3.1)

QuizÂ by A. Barrios

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5 questions
• Q1
In the reading, the farmer changes how she plows her fields. One field will be tilled and one will not. Everything else will be the same on both fields: the type of crop she grows, the amount of water and fertilizer that she uses, and the slope of the fields she plants on. The fields should be facing the same direction to get about the same amount of sunlight. When changing how she plows the field, this is called the _______ in the experiment.
Independent Variable
Control
Dependent Variable
Constant
120s
• Q2
After completing research, a person may come up with an explanation to a problem. From this, the researcher then begins experimenting. What word is used for a possible explanation to a scientific problem?
Independent Variable
Control
Hypothesis
Dependent Variable
120s
• Q3
When does a hypothesis become a theory?
It is peer reviewed.
It never does. Hypothesis and theory are two completely different concepts in science.
When the conclusions follow from the data.
It is repeatedly shown to be true and never shown to be false.
120s
• Q4
Which of the following is an example of a scientific model?
a computer simulation, globe and diagram are all examples of scientific models
a globe
a computer simulation
a globe and a diagram
120s
• Q5
Imagine you were having a discussion with your friend Alex about the differences between a scientific theory and scientific law. Alex told you he knows that a scientific law is a generalization, or principal that often describes how the natural world behaves under certain conditions, however he was unsure how to describe a scientific theory. Of the choices listed below, which one is least likely accurate in describing a scientific theory?
Theories have been tested many times.
Theories are incomplete, temporary ideas.
Theories include observations.
Theories are used to make predictions.
120s

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