Variables

Dependent variables...

• are controlled by the scientist

• are the result of the independent variable--results of your experiment

• are kept the same in the experiment.

• are always going to be 0

Tags

NGSS.MS-PS2-2

An experiment is performed 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, the independent variable is ...

• The type of plant

• The amount of sunlight

• The type of music

• The type of liquid

Tags

NGSS.MS-LS2-1

An experiment is performed 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 are the controlled variables?

• Type of plant, amount of music, and sunlight

• Water, apple juice, milk

• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball

• Force acting on the ball

• Height that the ball bounces

• Height from which the ball is dropped

Mr. 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

Tags

NGSS.MS-PS2-2

Mr. 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

An experiment is performed 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 dependent variable?

• Type of plant

• Water, apple juice, milk

• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the control variable?

• The ball used

• The height the ball bounces

• Height of the ball being dropped

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

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

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

Tags

NGSS.MS-PS3-1

Which variable do you change for a scientific investigation?

• Dependent variable

• Independent variable

• Controlled variable

• Varying variable