Unit 1 Lesson 3: Energy Transfer in Collisions

What is energy transfer?

• The movement of energy from one object to another

• The destruction of energy in a system

• The creation of energy in a collision

• The conservation of energy in a closed system

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What happens during a collision?

• Two or more objects merge into one

• Energy is destroyed

• Two or more objects crash into each other with a force

• Energy is created

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What does the conservation of energy law state?

• Energy can be created and destroyed in a closed system

• Energy can only be transferred in an open system

• In a closed system, energy cannot be created nor destroyed but can be transferred from one type to another

• Energy is conserved only during a collision

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Which of the following is not an example of a collision causing energy transfer and change in motion?

• A baseball flying through the air

• Two cars crashing into each other

• A hammer striking a nail

• A tree falling onto the ground

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According to the principle of energy conservation, energy...

• Can be transferred and destroyed

• Is only transferred in chemical reactions

• Is transferred; it cannot be made or destroyed

• Can be created from nothing during physical processes

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During a collision, energy can be transferred into what forms?

• Light or darkness

• Heat or sound

• Chemical or nuclear energy

• Potential or kinetic energy

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Friction during a collision causes some kinetic energy to be changed into...

• Sound

• Light

• Heat

• Electricity

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The collision of two marbles can cause the ____ of both marbles to change.

• Color

• Texture

• Motion

• Size

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Kinetic energy will be transferred from the hammer to the nail, causing the nail to move. This describes a change that will likely occur in the...

• Chemical reaction

• Electrical circuit

• Collision

• Phase transition

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The collision of two marbles can cause the _______________ of both marbles to change.

• energy

• motion

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