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Published byLetitia Skinner Modified over 9 years ago
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Conduction and Insulation
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Conduction The movement of heat, electricity, or sound from one object to another object
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Conductors of Heat Conductors of heat allow heat energy to pass through them easily. Examples of Conductors of heat: Iron Copper Aluminum
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The reason why pots and pans are usually made of metal is so the heat from the stove will pass through the metal and cook whatever is inside. Metal is a good conductor of heat.
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Conduction of Heat http://www.youtube.com/watch?v=77R4arwD 8G8
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Insulation Not allowing heat, electricity, or sound to pass through easily
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Insulators of Heat Insulators of heat are poor conductors and do not allow heat to pass through them Examples of Insulators of heat: Wood Plastic Cloth Feathers
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Most cooking utensils are metal but have plastic grips to insulate the heat from traveling to your hands.
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Winter clothes are often made of warm cloth of feathers to insulate you.
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Conductors of Electricity Materials that allow electricity to move through them easily. Examples of conductors of electricity: Copper Water
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Most electrical wires are made of copper because it is a good conductor.
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Insulators of Electricity Insulators of electricity do not allow electricity to pass through easily. Examples of insulators of electricity: Rubber Plastic
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Most electrical wires are covered with plastic or rubber to prevent electrical shock.
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Questions
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What is conduction?
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Allowing heat, electricity, or sound to pass through easily.
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What is insulation?
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Not allowing heat, electricity, or sound to pass through easily.
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How are conductors and insulators different?
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Their functions Conductors are made of iron, copper, and other metals Insulators are made of rubber, plastic, and cloth
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What would we use conductors for?
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Cooking Light Sound Electricity
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What would we use insulators for?
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Keeping safe from electrical shock Staying warm Keeping drinks cold in a cooler
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