Experimental Variables

What is the DEPENDENT variable in this experiment?
"Do tall people jump farther than short people?"

• height of the person

• weight of the person

• how fast the person runs

• how far the person jumps

Tags

NGSS.MS-PS2-2

What would be the INDEPENDENT variable in an experiment testing which types of paper airplanes go the farthest?

• the paper used

• the type of paper airplane

• the distance of each airplane flight

• the force with which the airplane is thrown

Tags

NGSS.MS-PS2-2

What is the INDEPENDENT variable in this experiment?
"What type of medium is best for plant growth?"

• plant height (cm)

• type of medium (soil vs. sand)

• amount of medium

• types of plant

Tags

NGSS.MS-LS1-5

If I water the plant more frequently, it will grow taller. Name the independent variable.

• The height of the plant

• The size of the pot

• The amount of water

• The amount of light.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Students wanted to see if the type of material affected the temperature after being placed under a heat lamp for 10 minutes.

What is the dependent variable for this investigation?

• Type of material (rocks, sand etc)

• Temperature after 10 minutes

• Time under the lamp

• Heat lamp, amount of material

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4

A scientist is testing the impact of light and dark on the moth behavior by turning a light on and off. The DEPENDENT variable is...

• amount of light

• moth behavior/their reaction

• number of moths

A study was done to determine to figure out if HOW LONG YOU SLEEP affects your TEST SCORE. The INDEPENDENT variable is...

• test scores

• place you sleep

• hours of sleep

Mr. Pransky wants to see how different surfaces affect the height at which a tennis ball can bounce. What is the independent variable?

• the different surfaces

• using the same ball

• how high they bounce

A student is planning an experiment to discover how the height from which a ball is dropped affects the height to which the ball bounces. The dependent variable is _____.

• Diameter of the ball

• Force acting on the ball

• Height to which the ball bounces

• Height from which the ball is dropped

Tags

NGSS.MS-PS3-5

The independent variable is...

• The result that the scientist measures

• The condition that the scientist changes to test its effects

• A condition that remains the same

Tags

NGSS.MS-PS3-4