Transfer of Energy/ Structures and Functions of Living Things

How is energy transferred?

• Through heat, light, electricity, and sound

• Through gravity

• Through sound

• Through chemical reactions

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How do electric currents transfer energy?

• By moving electrons

• By static electricity

• By light

• By creating vibrations

How does light transfer energy?

• Through electromagnetic waves

• Through soundl waves

• Through conduction

• Through convection

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What kinds of problems can be solved by understanding energy transfer?

• designing better machines and systems for people

• Solving hard math equations

• Decoding messages

• Identifying new species of plants and animals

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What is a circuit?

• A closed path through which an electric current flows

• A device that stores electrical energy

• electricity

• magnetic energy

What is a photon?

• a tiny bundle of light energy

• a particle

• matter

• an atom

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What is radiation?

• transfer of energy through space

• A chemical reaction that releases heat

• The process of absorbing light energy

• A type of sound wave that travels through the air

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What is conduction?

• The transfer of thermal energy between two objects that are touching.

• The transfer of heat through the movement of fluids.

• The transfer of heat through electromagnetic waves.

• The transfer of electrical charge through a material.

What is convection?

• The transfer of thermal energy by flowing gases or liquid; such as rising warm air from a heater.

• The transfer of heat through direct contact between objects

• The transfer of heat through electromagnetic waves

• The process of heat by a substance

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What is a solar cell?

• A device that uses light or heat from the sun to produce electricity.

• A cell that stores heat

• A type of battery

• A cell in plants that is responsible for photosynthesis