the factor you observe or measure during an experiment
What is dependent variable
100
the factors in an experiment that do not change
What is constant
100
Without a(n)  , it is impossible to know whether your experimental observations result from the variable you are testing or some other factor.
What is control
100
What are some ways to test a hypothesis?
What is perform an experiment, collect data, record observations
100
Why is Newton's law of gravitational force called a scientific law?
because it is a rule that describes a pattern in nature
200
any factor that can have more than one value
What is a variable
200
the factor that you want to test
What is independent variable
200
Using the reassembled bridge, investigators found helpful  that were needed to determine where breaks occurred.
What is physical evidence
200
the process of trying to understand the world
What is science
200
Are the rocks at the end of a river smaller than those found where the river begins?
This question answers a measurement of _________.
What is mass
300
using words to describe what is observed in an experiment
What is qualitative data
300
This contains the same factors as the experimental group, but the independent variable is not changed.
What is control group
300
5. Reports on the bridge collapse can help prevent future bridge failures. This fact shows why it is important for scientists to  their results.
What is publish
300
Hypotheses must be __________.
What is tested
300
If you use a beaker to measure something, which SI units would you use to report the result?
What is liter
400
using numbers to describe what is observed in an experiment
What is quantitative data
400
A(n)  experiment is a type of scientific investigation that tests how one factor affects another.
What is controlled experiment
400
Because  is common in scientific research, scientists are careful to document any changes in their procedures and any unanticipated factors or accidents. They are also careful to document any uncertainty in their measurements.
What is accuracy
400
Which is the application of science to make tools that people can use?
What is technology
400
What is the factor that a scientist observes or measures in an experiment?
What is the dependent variable?
500
This is used to study how a change in the independent variable changes the dependent variable.
What is experimental group
500
When scientists conduct an experiment, they must identify factors that can affect the experiment’s  .
What is outcome
500
After a hypothesis is developed, how is it tested?
What is through scientific inquiry
500
Why is communication an important part of the scientific process