Energy Transformations

Which energy conversion is taking place when you put gasoline in a car?

• thermal -> electrical
• mechanical -> electrical
• chemical -> mechanical
• mechanical -> electromagnetic

what type of energy is stored in a battery?

• electrical
• chemical
• thermal
• mechanical

Electrical Energy is transferred to _____ Energy.

• Thermal
• Solar
• Electrical
• None

A battery converts what type of energy to another?

• sound to kinetic
• light to heat
• mechanical to electrical
• chemical to electrical

The roller coaster cart has the most gravitational potential energy at position-

• W
• X
• Y
• Z

"Energy can be transformed from one form into another or transformed from one region or another, but energy cannot be created or destroyed."
Which law is this?

• Law of Conservation of Mass
• Newton's Second Law
• Law of Conservation of Energy
• Newton's Third Law

A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?

• Mechanical to chemical to electrical
• Chemical to sound to electrical
• Chemical to electrical to sound
• Electrical to heat to sound

Where is the potential energy the greatest?

• A
• B
• C
• D

Which of these is an example of light energy being transformed into chemical energy?

• A glow stick lights up when broken.
• Water heated by the sun evaporates.
• A plant makes sugar in the sunlight.
• A battery causes a buzzer to vibrate.

What type of energy is in this picture?

• Kinetic
• Potential
• Chemical
• Sound