Scientific Method Variables

You will want your experiment to have ____ independent variable(s) in it for the experiment to be valid.

• 1

• 2

• 3

• As many as possible

Tags

NGSS.MS-PS2-2

Ms G sets 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

• weight of the ball

Tags

NGSS.MS-PS2-2

Ms G wants to see if the type of fertilizer affects the height of a sunflower plant. What is the dependent variable?

• type of fertilizer

• height of the sunflower plant

• amount of fertilizer

• health of the sunflower plant

Tags

NGSS.MS-LS1-5

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

• Controlled Variable

• Responsive Variable

• Dependent Variable

• Independent Variable

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

Tags

NGSS.MS-PS2-2

The measurable factor in an experiment is known as the: 

• Control

• Independent Variable

• Constant

• Dependent Variable

Tags

NGSS.MS-PS2-2

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

Which variable is NOT a constant in this experiment?
"Is Bounty paper towel more absorbent than sparkle paper towel?

• the size of paper towel

• the amount of water for the paper towel to absorb

• amount of water the paper towel absorbed

• the shape of paper towel

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

Janet wants to see whether drinking coffee will improve productivity. What is the independent variable in this experiment (cause)?

• increase productivity

• Having coffee or not

• the brand of coffee

• the time drinking the coffee