variables

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

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

• Type of gasoline
• which car the gas is put into
• how fast the car can drive
• how much gas is put into the car

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Where the experiment took place.

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Who set up the experiment (Ms. S, etc)

Tags

NGSS.MS-PS2-2

Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.

• How fast Hayden reacted
• different sounds
• types of music
• Hayden

Mr. S normally uses praise as a reward to train his dog. He wants to know the best way to train his dog, so he sets up an experiment to find out if there is a better way to get his dog to respond to commands. What is his dependent variable?

• Type of reward
• Praise
• Type of dog
• Amount of time the dog follows commands

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

CCSS.6.EE.C.9

 In a controlled experiment, the variable that is changed to test the hypothesis is called the –

• Controlled Variable
• Responsive Variable
• Dependent Variable
• Independent Variable

The measurable factor in an experiment is known as the: 

• Control
• Independent Variable
• Constant
• Dependent Variable

Tags

NGSS.3-5-ETS1-3

What is the DEPENDENT variable (effect) is 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