Thermal Energy Transfer

What is the original source of the most of the energy that people use?

• By radiation from the sun.

• By convection from the sun.

• By radiation from the Earth's core.

• Conduction from Earth's core.

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NGSS.MS-ESS2-1

Which best explains how this roasting marshmallows happens?

• Heat from the fire is conducted into the marshmallow.

• Heat from the fire is radiated into the marshmallow.

• The coolness of the marshmallow is conducted into the fire.

• The coolness of the marshmallow is radiated into the fire.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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Which best describes heat transfer by radiation?

• A slice of bacon frying in a pan.

• A pot on a stove boiling water.

• Cooking a hotdog in a microwave.

• A hot air balloon.

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NGSS.MS-PS4-2

When choosing materials to build a fireplace, why is brick a better choice than metal?

• Brick is a conductor.

• Brick is heat resistant.

• Metal is a conductor.

• Meat is heat resistant.

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NGSS.MS-PS1-4

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What enables fireman to enter buildings that are on fire and return from them safely?

• Convection cells keep fire away.

• The heat makes the building expand so there is no more room.

• Fireman wear heat resistant suits.

• They are really fast.

Why should space be left at the top of the plastic bottle when filling with water and then freeze?

• Because water expands when frozen.

• Because water contracts when frozen.

• Because plastic contracts when frozen.

• Because plastic expands when frozen.

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NGSS.MS-PS1-4

Popcorn is made from corn kernels. What happens when kernels are heated in a microwave?

• The kernels expand.

• The kernels dissolve.

• The kernels become hard and brittle.

• The kernels stick together to form ball.

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NGSS.MS-PS1-4

Which of the following best describes CONVECTION?

• When heat is transferred through waves.

• When heat is transferred through objects that are touching.

• The movement of gas or liquid in which warmer parts move up and the colder parts moves down.

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NGSS.MS-PS3-4

What kind of heat transfer is occurring when the sun warms the sand?

• Conduction

• Convection

• Radiation

• All of them

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following is an example of convection?

• Hair dryer is drying up your hair

• When a car engine turns hot after being turned on.

• A spoon placed in the cup filled with cold coffee.

• Boiling spaghetti noodles in water.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

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