Experimental Variables

What is the DEPENDENT variable (effect) in this experiment?
"Do tall people jump further 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

The variable that is being tested or changed

• independent variable

• dependent variable

• control variable

Tags

NGSS.MS-PS2-2

the variable that is changed by the scientist at the beginning of the experiment

• independent variable

• dependent variable

• control variable

Tags

NGSS.MS-PS2-2

the variable that is observed at the end of the experiment

• independent variable

• dependent variable

• control variable

Tags

NGSS.MS-PS2-2

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

Tags

NGSS.MS-PS3-2

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent

• Independent

• Control

• Compound

If I water the plant more often, then 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

If I water the plant more often, then it will grow taller.  Name the dependent variable.

• The amount of water.

• The amount of soil.

• The height of the plant.

• The amount of water.

Tags

NGSS.MS-LS1-5

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

• the paper used

• the type of paper airplane

• the distance of each plane's flight

• how hard the plane is thrown

Tags

NGSS.MS-PS2-2

Which of these describes an independent variable?

• The variable you test by changing it

• The results/what you measure

• Something you could change but don't

• Something you hold constant in the experiment

Tags

NGSS.MS-PS2-2