Independent Variables

The variable that you may change in the experiment

• Independent Variable

• Dependent Variable

Tags

NGSS.MS-PS2-2

Variable measured during the experiment

• Independent Variable

• Dependent Variable

Tags

NGSS.MS-PS2-2

Your science teacher believes that food you eat will affect your test average. They believe if you:

-eat food from McDonald's your grades will go up by 5 points

-eat at Pizza Root your grades will stay the same

-eat at Subway your grades will go down 10 points

What is the independent variable?

• food you eat

• grades

Your neighbor believes that the height of a person determines how much food they eat. He measured how many ounces of food people ate who were 4 feet tall, 5 feet tall, and six feet tall?

What is the independent variable?

• ounces of food

• height

Your aunt believes the color of your hair determines how fast you can run. She gathered 3 blond haired boys, 3 brown haired boys, and 3 red haired boys and forced them to race each other.

What is the independent variable?

• hair color

• speed

Your science teacher believes that food you eat will affect your test average. They believe if you:

-eat food from McDonald's your grades will go up by 5 points

-eat at Pizza Root your grades will stay the same

-eat at Subway your grades will go down 10 points

What is the dependent variable?

• food you eat

• grades

Your neighbor believes that the height of a person determines how much food they eat. He measured how many ounces of food people ate who were 4 feet tall, 5 feet tall, and six feet tall?

What is the dependent variable?

• height

• ounces of food

Your aunt believes the color of your hair determines how fast you can run. She gathered 3 blond haired boys, 3 brown haired boys, and 3 red haired boys and forced them to race each other.

What is the dependent variable?

• hair color

• speed

You want to test which size of soccer ball is easiest to juggle with your feet. You test a size 3, size 4 and a size 5 ball. You count the seconds the ball stays in the air for each of the trials.

What is the dependent variable?

• the size of the soccer ball

• the seconds the ball stays in the air

You want to test which size of soccer ball is easiest to juggle with your feet. You test a size 3, size 4 and a size 5 ball. You count the seconds the ball stays in the air for each of the trials.

What is the independent variable?

• the size of the soccer ball

• The seconds the ball stays in the air