Mythbusters Variables Practice

The INDEPENDENT VARIABLE is

• What is changed

• What is measured/ collected

• What stays the same

The DEPENDENT VARIABLE is

• What is changed

• What is observed/measured

• What stays the same

What was the independent variable in the experiment investigating whether dimples increase a car's gas mileage?

• The dimpled car

• The normal car

• Whether the car had dimples or not

• The type of road used

What was the dependent variable in the experiment investigating whether dimples increase a car's gas mileage?

• The number of dimples

• The gas milage

• the speed

What was the dependent variable in the experiment investigating whether dimples increase a car's gas mileage?

• The number of dimples on the car

• The gas mileage of the car

• The speed at which the car was driven

• The material used for the dimples

In the experiment designed to determine if elephants are afraid of mice, what was the independent variable?

• The presence or absence of a mouse under the dung

• The dung with the mouse

• The elephant's reaction

• The size of the elephant

In the experiment designed to determine if elephants are afraid of mice, what was the dependent variable?

• The elephant's reaction

• The number of times the experiment was tested

• The number of elephants scared