Conservation of Energy Review

Which of the following is NOT an energy form?

• thermal

• mechanical

• sound

• neuron

Energy stored in food is a form of...

• kinetic energy

• thermal energy

• potential energy

• electromagnetic energy

Mass (and weight) & gravitational acceleration affect an object's PE. What other factor(s) should be considered?

• atomic number

• density

• speed

• height or position

What affects an object's kinetic energy?

• mass & velocity

• just velocity

• height & atomic number

• nothing...it's unstoppable

This exercise band has which form of potential energy?

• gravitational

• chemical

• elastic

• electric

An 8 N object is suspended at a height of 25 meters. What is its potential energy?

• 1960J

• 200J

• 100J

• 225J

After an energy conversion, you end up with the same total amount of energy as the original amount of potential energy. Which of the following laws explains this rule?

• a. law of energy changes
• b. law of conservation of energy
• c. law of power and energy
• d. law of potential energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

The ability to do work

• A. chemical energy

• B. Friction

• C. electrical energy

• D. Energy

Tags

NGSS.MS-PS3-5

Where is the potential energy the greatest?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-2

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5