IV DV Practice

People who have used cell phones for at least 10 years have a greater chance of developing a brain tumor.

What is the independent variable?

• How much you use your cell phone

• Development of a brain tumor

What is the independent variable?

• Walking 10,000 steps a day

• Blood pressure

What is the dependent variable?

• Amount of fruits and veggies in diet

• Running speed

Mr. Smith set up an experiment to see how the mass of a ball affects the distance ball rolls off a ramp (cm). Identify the ^{independent variable}.

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

• The current weather in Florida

Tags

NGSS.MS-PS3-1

Mr. Smith set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp (cm). Identify the dependent variable.

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

• The current weather in Florida

Tags

NGSS.MS-PS2-2

Mr. Smith set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp (cm). Identify the best written testable question to fit this experiment.

• Does the distance a ball travels affect the mass of a ball?

• Does the height of the ramp affect the distance the ball will roll from a ramp?

• Does the mass of the ball affect the distance a ball rolls off of the ramp?

• Does the current weather in Florida affect the distance the ball rolls off of the ramp?

Tags

NGSS.MS-PS2-2

A student wants to test the effects of different types of exercise on heart rate.  What is the dependent variable?

• heart rate

• type of exercise

• amount of exercise

• time of day exercise occurs

Tags

NGSS.MS-LS1-5

Angelina 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

• Who set up the experiment (Ms. S, etc)

Mr. Smith set up an experiment to see how the mass of a ball affects the distance ball rolls off a ramp (cm). Identify a possible CONSTANT for this experiment.

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

• The current weather in Florida

Tags

NGSS.MS-PS2-2

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable

• independent variable

• data

• control group