Unit 2 Energy and Energy Transformation

What is energy?

• The ability to do work or cause change

• The amount of matter an objects contains.

• Anything that has mass and takes up space

• The sum of the kinetic energy and potential energy of an object.

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What is kinetic energy?

• A state of matter that has a definite shape and volume

• Energy stored in the bonds of chemical compound

• Energy in motion(moving)

• Energy that is stored or saved

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What is potential energy?

• The energy of motion

• The energy that is stored or saved

• The energy of moving electrons between atoms

• The energy of moving molecules

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What is the law of conservation of energy?

• States that energy can not be create or destroyed only transferred

• States that energy is created in factories

• States that energy is only found in the sun

• States that energy does not exist

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Factors that affect Potential Energy...

• Speed and Mass

• Position(height) and Mass

• Weight and mass

• Temperature and mass

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Factors that affect Kinetic Energy

• Speed and Mass

• Position(height) and Mass

• Weight and mass

• Temperature and mass

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Two cars have the same mass. Which car will have the greater amount of kinetic energy?

• The car with greater speed

• The car with greater mass

• The car with greater height

• The car with less speed

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When a runner’s speed increases. What else increases?

• Radiant Energy

• Chemical Energy

• Kinetic Energy

• Potential Energy

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When a roller coaster height increases. What else increases?

• Radiant Energy

• Chemical Energy

• Kinetic Energy

• Potential Energy

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What factor(s) does potential and kinetic energy BOTH depend on?

• Position(height)

• Speed

• Mass

• Thermal Energy

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