Independent/Dependent Variables/Constants

Mr. McNiece wanted to see how different types of music affected students' pulse rates. She played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. Identify the independent variable.

• classical music resulted in the highest pulse rate
• high pulse rate
• pulse rate
• types of music

Mr. McNiece wanted to see how different types of music affected students' pulse rates. She played different types of music: heavy metal, rap, R&B, alternative, pop, country, and classical music. What constant should be considered when doing this experiment?

• types of music
• use all dead people
• using a different student for each music type
• amount of time the music was played

Tags

NGSS.MS-ETS1-1

Nick wanted to see how high an ice cube would float in different temperatures of water. Identify the independent variable.

• amount of water
• height of ice cube
• temperature of water
• size of ice cube

Tags

CCSS.6.EE.C.9

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

• dependent variable
• independent variable
• data
• control group

Tags

CCSS.6.EE.A.2C

In a controlled experiment, how many variables can be worked with at a time? 

• one
• none
• two or more
• how ever many makes sense.

Mr. S. sets 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
• weight of the ball

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.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. 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

CCSS.6.EE.C.9

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control
• Compound

Tags

CCSS.HSF-LE.A.1C

The manipulated or experimental variable is called the

• Independent variable

• Dependent variable

• Controlled variable

• Constants

The outcome, measurement or observation is what type of variable?

• Independent

• Dependent

• Controlled

• Constant