Scientific Method

The independent variable is the ONE thing you _____ to test your hypothesis.

• change

• keep the same

• remove

• ignore

The variable that you want to see a change in, and that is measured in the experiment, is the ________________ .

• Controlled Variable

• Responsive Variable

• Dependent Variable

• Independent Variable

Catherine is testing which kind of soil will help grass grow the tallest. The height of the grown grass is the __ variable.

• constant (stays the same)

• independent (it's what you change)

• dependent (it's what you measure)

Abram is testing which paper airplane design flies furthest. What would the INDEPENDENT variable be in his experiment?

• the paper used
• the paper airplane design
• the distance of each plane's flight
• how hard the plane is thrown

Tags

NGSS.MS-PS2-1

Hassan is experimenting with bean plants to see if they grow better with or without fertilizer. He uses six bean plants (same type/age/size) and one type of fertilizer. What type of variable is the fertilizer?

• Dependent

• Independent

Tags

NGSS.MS-ETS1-1

Jalissa wants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid (water, apple juice, or milk) for one month.  In her investigation, the independent variable is ...

• The type of plant
• The amount of sunlight
• The type of music
• The type of liquid

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Mrs. Anderson set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What will her dependent variable be?

• Distance the ball rolls off the ramp

• Height of the ramp

• Mass of the ball

• Where the experiment took place.

JJ set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What will his independent variable be?

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Who set up the experiment (Jonathan etc)

Tags

NGSS.MS-PS2-2

Daniel was investigating how strongly mice react to different sounds. Identify the independent variable.

• How strongly the mice reacted

• different sounds

Students took a test after they had studied either in silence or with the television turned on. What do you think the dependent variable is for this experiment?

• silence

• television turned on

• test scores

• subject