Variables

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-LS1-5

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

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

Tags

NGSS.MS-PS3-2

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

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

What are the constant variables?

• what we are changing or testing

• what we are observing or measuring

• what we keep the same to make the experiment fair

Ms. Palma needs your help: She needs to find the constant variables for her experiment. She is trying to determine what shampoo makes her hair least frizzy. Which variable would be a constant?

• Type of Shampoo

• Frizziness of the her hair

• Amount of Shampoo

• She doesn't need any constant variables

What is the independent variable?

• what we are changing or testing

• what we are observing or measuring

• what we keep the same to make the experiment fair

What is the dependent variable?

• what we are changing or testing

• what we are observing or measuring

• what we are keeping the same to make the experiment fair