Energy and heat

The picture showing the energy conversion

Chemical → heat

is:

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• 
• 

The picture showing the energy conversion

Chemical → kinetic

is:

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• 
• 
• 

The picture showing the energy conversion

Kinetic → mechanical

is:

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• 
• 
• 

Which type of energy is represented by a rubber band. 

• Thermal
• Elastic 
• Gravitational 
• Sound 

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

• potential to kinetic

• potential to heat

• heat to electrical

• electrical to kinetic

Which of the following increases when an object becomes warmer?

• nuclear energy

• chemical energy

• elastic potential energy

• thermal energy

The energy stored in gasoline is

• chemical energy

• nuclear energy

• elastic potential energy

• thermal energy

What is a calorie?

• How we measure the energy in a food

• Unhealthy Food

• How much water we drink

• A sport

A kilocalorie (kcal) is the same as:

• a gram of fat

• kilojoule

• a food calorie

• the calories found in a head of lettuce

Conversion Factor 1kcal = ___ cal

• 10
• 100
• 1000
• 1/1000