Heat Transfer..Takin it up a NOTCH!!!

After cooking an egg in boiling water, you cool the egg by putting it into a bowl of cold water.  Which of the following explains the egg's cooling process?

• Temperature is transferred from the egg to the water.
• Energy is transferred from the water to the egg.
• Energy is transferred from the egg to the water.
• Cold moves from the water into the egg.

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

Why do we wear sweaters in cold weather?

• To keep cold out.
• To generate heat.
• To reduce heat loss.
• All of the above.

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NGSS.MS-PS3-3

If you put a metal spoon and a wooden spoon into a pot of boiling water, one will become too hot to touch.  Why?

• Metals conduct heat better than wood.
• Wood conducts heat better than metals.
• Metals pull in heat because heat is attracted to metals.
• Wood isn't as strong as metals.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-3

As water in a freezer turns into ice,

• the water absorbs energy from the air in the freezer.
• the water absorbs the coldness from the air in the freezer.
• the freezer air absorbs heat from the water.
• the water neither absorbs nor releases energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

In how many ways does heat move around the universe?

• One
• Three
• Two
• Ten

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NGSS.MS-ESS2-6

Hot air moving up is an example of 

• Radiation
• Conduction
• Magic
• Convection

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NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

A microwave oven uses which of the following to heat foods.

• Microwave elves
• Radiation
• Convection
• Conduction

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A fire radiates ________ waves.

• surf
• killer
• heat
• cold

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

• Hotter to colder
• Colder to hotter
• Hotter to hotter
• Colder to colder

Tags

NGSS.MS-PS1-4

The type of heat transfer that happens through direct contact of molecules or particles with each other is ___________________.

• Convection
• Conduction
• Radiation
• insulation.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4