Quiz 8.2 Conservation of Energy

What is the GPE at point A

• 14 J

• 12 J

• 6 J

• 8 J

The Law of Conservation of Energy states that energy is never __________________ or _________________, only transferred.

• created, destroyed

• created, subtracted

• added, subtracted

• destroyed, subtracted

What are the units of energy?

• Watt

• Newton

• Joule

• Kelvin

Energy that is stored in a system, ready to be used, is called ____________ energy.

• Kinetic

• Potential

• Conserved

• Power

Energy in a system that is moving is called _______________ energy.

• Kinetic

• Potential

• Mechanical

• Power

The faster an object moves, the _______________ kinetic energy it must carry.

• more

• less

• constant

• varying

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

• A
• B
• C
• D

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

A device that converts electrical energy to light energy.

• A blender

• A light bulb

• A bycycle

• A balloon

Turning on the radio is what type of energy conversion?

• sound to light
• electrical to sound
• electrical to light
• light to electrical