Scientific Method Variables

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

NGSS.HS-LS1-3

The variable that you measure is the -

• IV
• DV
• Constant
• Repeated Trial

The variables in an experiment that stay the same are the - 

• IV
• DV
• Constants

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

How many variables can be tested in a controlled experiment?

• one
• two
• three
• as many as possible

Is this a testable question? 
What types of apples grow in Missouri? 

• Yes
• No 

Tags

NGSS.MS-LS1-5

Is this a testable question? 
How does talking to a plant affect a plants height? 

• yes
• No

Tags

NGSS.MS-LS1-5

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes
• It is what has always been done
• No one really knows

Tags

NGSS.MS-ETS1-4