Conductor and Insulator

What is thermal conductivity?

• Thermal conductivity is the ability of a material to conduct electricity.

• Thermal conductivity is the measure of a material's resistance to heat flow.

• Thermal conductivity is the property of a material to repel heat.

• Thermal conductivity is the property of a material to conduct heat.

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Give an example of a material that is a good conductor of heat.

• Copper

• Plastic

• Wood

• Rubber

What are some common materials that are good conductors of electricity?

• Metals such as copper, aluminum, silver, and gold

• Plastic, wood, and glass

• Rubber, paper, and fabric

• Water, oil, and air

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Why are metals good conductors of heat and electricity?

• Metals have free electrons that can move easily.

• Metals have high resistance to heat and electricity.

• Metals have tightly bound electrons that cannot move.

• Metals have low melting points which allow for easy conduction.

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What are some examples of materials that are good insulators?

• Metal, water, and concrete

• Rubber, glass, wood, plastic, and air

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Explain why rubber is a good insulator.

• Rubber is a good insulator because it is highly reactive with electricity.

• Rubber is a good insulator because it conducts electricity well.

• Rubber is a good insulator due to its high resistance to the flow of electric current.

• Rubber is a good insulator because it is a good conductor of heat.

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What is the difference between conductors and insulators?

• Conductors are lightweight, while insulators are heavy.

• Conductors allow the flow of water, while insulators do not.

• Conductors are transparent, while insulators are opaque.

• Conductors allow the flow of electricity, while insulators do not.

Why are some materials good at conducting heat but not electricity?

• Because they are made of different elements

• Due to the color of the material

• Because they have a rough surface

• Some materials are good at conducting heat but not electricity because of the difference in the movement of energy and electrons within the material.

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How does the structure of a material affect its ability to conduct heat?

• The structure of a material increases its ability to conduct heat by slowing down the transfer process

• The structure of a material affects its ability to conduct heat by influencing the ease with which heat can be transferred through it.

• The structure of a material has no effect on its ability to conduct heat

• The structure of a material only affects its ability to conduct electricity, not heat

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What are some real-life applications of conductors and insulators?

• Conductors are used in cooking utensils

• Conductors are used in electrical wiring, power lines, and electronic circuits. Insulators are used in electrical insulation, such as in power cables.

• Conductors are used in gardening tools

• Insulators are used in clothing materials

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