Conductors ans Insulators ( Read About it)

What happens when heat energy is transferred from a warmer object to a cooler object?

• Nothing happens

• The cooler object freezes

• The warmer object melts

• The cooler object melts

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What is a good conductor of electrical and thermal energy?

• Rubber

• Plastic

• Metal

• Wood

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What material is a good insulator for electricity?

• Steel

• Copper

• Aluminum

• Rubber

Why do electricians' tools have rubber coated handles?

• To prevent the flow of electricity

• To improve grip

• To make them heavier

• For decoration

What is the role of metal wires in a circuit?

• To insulate energy

• To block energy

• To transfer energy

• To store energy

What happens when you kick a ball?

• The ball absorbs light

• The ball loses energy

• You transfer energy to the ball

• You lose energy

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What does an insulator do?

• Prevents the flow of energy

• Destroys energy

• Creates energy

• Speeds up energy flow

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What is the purpose of the cord covering on electrical cords?

• To conduct electricity

• To make the cord flexible

• To protect you from electricity

• To make the cord look nice

What happens to ice when it absorbs heat energy?

• It becomes harder

• It turns into a liquid

• It turns into steam

• It becomes colder

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Why are metal prongs used in electrical cords?

• To decrease the flow of electricity

• To insulate the electricity

• To store electricity

• To allow electricity to flow