Unit 0 Review

If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?

• True
• How fast you get to school
• Riding a bike or walking
• False

If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?

• increase the amount of iron in your blood
• spinach you eat

Dependent variable means

• the scientist controls what to test
• educated guess
• ask a question
• what is being measured

What is a factor that the experimenter has full control over and changes to see what happens?

• Dependent Variable
• Independent Variable
• Control group 
• Hypothesis

What is a factor that changes because of what the experimenter does?

• Dependent Variable
• Independent Variable
• Control Group
• Hypothesis

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

• data

• theory

• hypothesis

• fact

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

• dependent variable

• independent variable

• data

• control group

Should experiments be repeated over and over to see if the results are the same each time?

• yes

• no

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

• quantitative

• qualitative

There are two types of data. Which type of data involves descriptions that cannot be counted or measured?

• qualitative

• quantitative