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The scientific method
The scientific method
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1
What is the purpose of a control group in an experiment?
To introduce a variable
To test the hypothesis
To provide a baseline for comparison
To collect data
2
The factor that is measured in an experiment is the...
dependent variable
independent variable
constant
control group
3
What is the first step in the scientific method?
Experiment
Conclusion
Hypothesis
Observation
4
A group in an experiment that is kept under normal conditions and is used for comparison is the...
constant group
control group
independent variable
dependent variable
5
After conducting an experiment, scientists analyze their data to...
draw a conclusion
make an observation
form a hypothesis
conduct a new experiment
6
In an experiment, the factor that is changed or manipulated is the...
dependent variable
constant
independent variable
control group
7
A testable statement that predicts the outcome of an experiment is called a...
variable
hypothesis
theory
control group
8
Which of the following is an example of a scientific observation?
All of the above
The temperature is 75 degrees Fahrenheit
Plants need water to survive
I think the sky is blue
9
What is the difference between a hypothesis and a theory?
A hypothesis is a theory that has not been proven yet.
There is no difference between a hypothesis and a theory.
A hypothesis is a testable statement. A Theory is a well-tested explanation
A hypothesis is a guess, while a theory is a proven fact.
10
A well-tested explanation for a wide range of observations is a...
theory
experiment
law
hypothesis
11
Consider the hypothesis: "If I add fertilizer to my plants, then they will grow taller." What is the dependent variable?
plant height
amount of sunlight
type of plant
fertilizer
