Types of Variables

What is the DEPENDENT variable (effect) in this experiment?

"Does eating breakfast improve test score?"

• eating breakfast or not

• the grade you got on the test

• what time you get up in the morning

• how tasty the breakfast is

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

What would the independent variable be in an experiment testing which type of paper airplane goes the furthest?

• the type of paper used.

• the distance each plane flies.

• how hard the plane is thrown.

• the type of paper airplane.

What is the INDEPENDENT  variable (cause) is this experiment? 
"Which type of medium is best for plant growth?" 

• height of plant (cm)
• type of medium (soil vs. sand)
• amount of medium
• types of plant

How many variables can be tested in a controlled experiment?

• one
• two
• three
• as many as possible

On a graph, which axis shows the independent variable?

• x-axis
• y-axis
• neither
• it changes

What is the INDEPENDENT variable (cause)in this experiment?
"Which type of metal, copper or aluminum, conducts heat faster?" 

• size of metal
• types of metal
• time it takes to heat up
• shape of the metal

What is a constant?

• A variable being tested in an experiment.

• A variable that changes depending on another variable.

• Variables that are kept the same in an experiment.

The variable that is measured is known as the...

• Constant

• Control

• Independent Variable

• Dependent Variable

On a graph, which axis shows the dependent variable?

• x-axis
• y-axis
• neither
• it changes