A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• experiment
• data collection
• metric system

Which is NOT a step in the scientific method?

• Make observation
• Form a theory
• Collect data
• Form a hypothesis

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

An organized procedure used by scientists to test a hypothesis. 

• scientific method
• experiment
• data collection
• metric system

A hypothesis is simply a prediction that has not yet been _.

• supported or not
• made into a theory
• results calculated
• written about

The factors in an experiment that can be changed. 

• variables
• quantitative data
• hypothesis
• steps

In a controlled experiment, how many variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

This part of the experiment serves as a basis of comparison; the one variable being tested has been omitted. 

• experimental group
• control group
• data
• variables

This part of the experiment shows the effect of the one variable being tested. 

• control group
• experimental group
• quantitative data
• hypothesis

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group