Identifying Independent and Dependent Variables

What is the DEPENDENT variable?

• water depth

• temperature

• meters

• 50

Tags

NGSS.MS-PS3-4

What is the INDEPENDENT VARIABLE?

• water depth

• temperature

• meters

• (C)

What is the independent variable?

• temperature

• heart rate

• data table

• (beats/min)

Do new shoes make you run faster? In this example, why can't the speed of the runner be a constant?

• Because the speed of the runner is the independent variable so it cannot be a constant

• Because the speed of the runner in the dependent variable so it cannot be a constant

• Because the speed is not measurable so it cannot be a constant

• The speed of the runner is a constand

The ___ variable is what changes in an experiment.

• Controlled

• Independent

• Dependent

Tags

NGSS.MS-PS2-2

The height of bean plants depend on the amount of water they received. What is the independent variable?

• Amount of water

• Height of the plants

• How many beans were produced

• Temperature the plants were in

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

A study was done to find if different tire treads affect the braking of a car. What is the independent variable?

• Car

• Brakes

• Tire treads

• Seat belts

Tags

NGSS.MS-PS2-2

Lemon trees receiving the most water produced the most lemons. What is the dependent variable?

• Amount of water

• Growth of the lemon tree

• How many lemons were produced

• Amount of sunlight

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

The ____ variable is what is observed during the experiment.

• Independent

• Dependent

• Controlled

The temperature of water was measured at different depths in a pond. The temperature of water is the dependent variable.

• True

• False