5.1.2

Factors that can change in an experiment:

• variables

• constants

• controls

• errors

Tags

NGSS.MS-PS2-2

The factor that is changed by the scientist:

• independent variable

• dependent variable

• constant

• control

Tags

NGSS.MS-PS2-2

The factor that is observed or measured during the experiment:

• independent variable

• dependent variable

• constant

• control

Factors that are kept the same during an experiment:

• independent variable

• dependent variable

• constant

• control

An experiment is set up with ten pots to test the effective of fertilizer on plant growth. 5 pots have fertilizer added to the soil, 5 pots do not have fertilizer added to the soil. Each pot has 1 spider plant and 5 cups of soil. The pots are watered once a week with 1/2 cup of water. Water would be what type of variable?

• Indepedent

• Dependent

• Constant

• Water is not a variable

Tags

NGSS.MS-LS1-5

An experiment is set up with ten pots to test the effective of fertilizer on plant growth. 5 pots have fertilizer added to the soil, 5 pots do not have fertilizer added to the soil. Each pot has 1 spider plant and 5 cups of soil. The pots are watered once a week with 1/2 cup of water. Fertilizer would be what type of variable?

• Independent

• Dependent

• Constant

• Fertilizer is not a variable

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 is the dependent variable?

• Type of plant

• Water, apple juice, milk

• Plant growth

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

NGSS.MS-PS3-1