Identifying Independent and dependent Variables

Jonathan set up the same 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 (Jonathan etc)

What is an example of potential energy?

• A bowling ball rolling down a lane

• A car parked in a lot

• An apple falling from a tree

• Sunlight heating up the atmosphere

What is Energy?

• The ability to do anything

• The ability to cause change or do work

• The investigation of nature

• A fact of life

What is the dependent variable?

• temperature

• heart rate

• data table

• (C)

The ability to do work by applying force is called

• work

• energy

• force

• net force

The cake has a sweet smell is a _______ assessment. 

• Qualitative
• Quantitative

Food has _________ energy. 

• Potential 
• Kinetic 
• None of the above 
• All of the above 

What would the INDEPENDENT variable be in an experiment testing which  paper airplane design goes furthest?

• the paper used
• the paper airplane design
• the distance of each plane's flight
• how hard the plane is thrown

The ability of a body to do work is called ……….. The ability of a body to do work because of its motion is called ………..

• Force, distance

• Zero

• Newton, meter, force

• Energy, kinetic energy

• Mechanical

Daniel was investigating how fast it took mice to react to different sounds. Identify the independent variable.

• How fast mice reacted
• different sounds
• types of music
• Daniel