6.1 Energy [Mastery check]

The picture showing the energy conversion

Chemical → heat

is:

• 
• 
• 
• 

The picture showing the energy conversion

Chemical → kinetic

is:

• 
• 
• 
• 

The picture showing the energy conversion

Electrical → light

is:

• 
• 
• 
• 

The picture showing the energy conversion

Light → electrical

is:

• 
• 
• 
• 

What is the energy conversion when you plug in a stereo and listen to music?

• electrical to mechanical

• chemical to heat

• electrical to sound

• potential to sound

What is the energy conversion when you put batteries in a flashlight to make it turn on?

• chemical to light

• light to kinetic

• chemical to thermal

• nuclear to light

What is the energy conversion when you plug in a fan?

• potential to kinetic

• potential to heat

• heat to electrical

• electrical to kinetic

Which type of energy is represented by a rubber band. 

• Thermal
• Elastic 
• Gravitational 
• Sound 

What form of energy is represented by a rock sitting at the top of a cliff?

• Electrical 
• Chemical 
• Elastic 
• Gravitational 

According to the Law of Conservation of energy, the amount of energy before and after a reaction must be the same. Which statement below is true?

• The total amount of energy is conserved
• The total amount of energy is less after a reaction
• The total amount of energy is more after a reaction