Biology Classification and pH Levels

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Questions and Answers

In the energy transfer for the television, what type of energy is transferred first?

  • Electrical energy (correct)
  • Sound energy
  • Thermal energy
  • Kinetic energy

What type of energy is transferred into the movement of the car?

  • Thermal energy
  • Sound energy
  • Kinetic energy (correct)
  • Chemical energy

In the energy transfer of the car, what percentage of the chemical energy is transferred into thermal energy and sound energy?

  • 80%
  • 70% (correct)
  • 60%
  • 90%

What is the energy transferred into, excluding thermal energy and sound energy?

<p>Kinetic energy (D)</p> Signup and view all the answers

What type of energy is not mentioned in the car's energy transfer?

<p>Nuclear energy (B)</p> Signup and view all the answers

What is the total energy transferred excluding kinetic energy?

<p>80 J (D)</p> Signup and view all the answers

What type of particles flow through conductors?

<p>Electrons (A)</p> Signup and view all the answers

Which material does not conduct electricity?

<p>Rubber (C)</p> Signup and view all the answers

What is the term used to describe materials that do not conduct electricity?

<p>Insulators (A)</p> Signup and view all the answers

Which of the following materials conducts electricity?

<p>Steel (A)</p> Signup and view all the answers

What is necessary to complete an electrical circuit?

<p>A material and a cell (A)</p> Signup and view all the answers

What is the purpose of a switch in an electrical circuit?

<p>To control the flow of electricity (C)</p> Signup and view all the answers

Flashcards

Energy first transferred in TV

Electrical energy is the first type of energy transferred in a television.

Energy for car movement

Kinetic energy is the energy transformed into the movement of the car.

Chemical energy lost in car

70% of chemical energy in a car is lost as thermal and sound energy.

Energy Not thermal or sound in car

Kinetic energy is the remaining energy transferred from chemical energy in a car, other than thermal and sound.

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Missing car energy type

Nuclear energy is not mentioned in the car's energy transfer.

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Total energy NOT kinetic (J)

80 J of energy is transferred excluding kinetic energy in the car.

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Conductor particle flow

Electrons flow through materials that conduct electricity.

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Non-Conductor material

Rubber is a material that does not conduct electricity.

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Non-conductor term

Insulators are materials that do not conduct electricity.

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Conductor material

Steel is a material that conducts electricity.

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Complete circuit need

A material (conductor) and a cell (power source) are needed to complete an electrical circuit.

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Switch in circuit purpose

A switch controls the flow of electricity in an electrical circuit.

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