Scientific Inquiry Quiz

Why is it important to only test one variable at a time? 

• You can only fit one IV on a graph
• So you know if your IV had any affect. 
• It's not important. 
• It's what scientists do. 

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

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 

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 a guess based on previous knowledge or evidence

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped