Identifying Variables

The variable the is changed on purpose is..

• Constant
• Control
• Independent Variable
• Dependent Variable

Tags

NGSS.3-5-ETS1-3

The variable that is being tested, counted, or measured and is responding to the independent variable is known as 

• Control
• Constant
• Independent Variable
• Dependent Variable

A student wants to test the hypothesis of "If salt is added to water then the boiling point of water will decrease." What is the independent variable?

• Amount of salt
• Boiling Point
• Amount of water

Plants grow best in colored light. What is the independent variable of this statement?

• Plant Growth
• Colored Light

Tags

NGSS.MS-LS1-5

Dark sodas have more carbonation than clear sodas. What is the dependent variable of this statement?

• Type of Soda
• Amount of carbonation 

Which brand of paper towel will absorb the most liquid? What is the independent variable?

• Brand of paper towel
• Amount of water absorbed

Tags

NGSS.MS-ETS1-3

Research as shown to support that if students pay attention in class have higher test scores. What is the independent variable?

• research
•  paying attention 
• test scores

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

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

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