KS3 Identifying Variables

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

CCSS.6.EE.C.9

The variable that you measure is the -

• Independent Variable

• Dependent variable

• Control Variable

• Repeated Trial

How many variables can be tested in a controlled experiment?

• one
• two
• three
• as many as possible

Dr. Eversole sets up an experiment on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the independent variable?

• Type of plant

• Type of liquid

• Plant growth

• Volume of liquid

Mrs. Register sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify one control variables

• distance traveled by the ball

• height of the ramp

• mass of the ball

What is the dependent variable 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

What is the independent variable (cause) is this experiment?

"Which type of medium (soil or sand) is best for plant growth?"

• height of plant (cm)

• type of medium (soil or sand)

• amount of medium (soil or sand)

• types of plant

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the dependent variable 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

What is the independent variable in this experiment?

"Which type of metal, copper or aluminum, conducts heat faster?"

• size of metal

• types of metal

• time it takes to heat up

• shape of the metal

A factor or condition that is changed on purpose is called the

• control variable

• dependent variable

• independent variable