S1 Conduction, Convection, Radiation
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The transfer of heat by direct contact between particles is called | conduction
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| The transfer of heat into liquids and gases through currents is called | convection
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| The transfer of heat by infrared waves is called | radiation
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| A metal spoon gets hot in boiling water is an example of | conduction
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| A egg on a frying pan sizzles when it cooks is an example of | conduction
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| An ice cube in a hand begins to melt is an example of | conduction
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| A metal cup gets hot when boiling water is poured in it | conduction
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| When cool air sinks to the ground on a warm night is an example of | convection
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| When air is warmer near the ceiling than the floor is an example of | convection
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| When toes are warmer in front of a space heater is an example of | radiation
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| When the sun melts a icy lawn is an example of | radiation
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| Is the sun the source of all of our energy | yes
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| What are the three types of heat transfers | conduction,convection and radiation
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| Radiation is the transfer of heat by | infrared waves
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| Conduction transfers heat by | direct contact
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| Convection transfers heat in liquids and gases by creating a.... | Convection current
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| Conduction is the direct transfer of heat energy when molecules... | vibrate and bump into each other
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| As cold air becomes more dense it pushes up warmer air creating a...... | Convection current
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| What is Heat? | A type of Energy
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| What is temperature? | A measure of how much heat energy a substance has
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| What is an Insulator | A substance that does not allow heat energy to pass through it easily
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| What is a Conductor | A substance that DOES allow heat energy to pass through it easily
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| What group of substances are good conductors | Metals
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| What happens to the DENSITY of liquids or gases when they are heated? | Density decreases
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| Do LESS dense substances rise or fall in their surroundings? | Rise
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| Name an every day use of an insulator in the kitchen | Pot handles, wooden spoon etc
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| Name an everyday use of conductors in the kitchen | Metal pots etc
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| What colour in best to ALLOW heat energy to pass through it by radiation? | Black
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| What colour is best to PREVENT heat energy passing through it by radiation? | Silver
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Created by:
nscobie
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