Heat transfer by convection occurs when...

large numbers of atoms move from place to place

A substance with a high specific heat:

Requires a lot of energy to become hot.

Thermal energy always moves:

From a high temperature object to a lower temperature object.

The temperature of a glass of cold water will eventually...

Match the temperature of the surrounding environment.

You take a cold can of soda off of a countertop. The countertop underneath the can feels colder than the rest of the counter. Which of the following explains this occurrence?

Some heat has been transferred from the counter to the soda

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?

Energy is transferred from the egg to the water

As water in a freezer turns into ice, what happens? Options: 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

the freezer air absorbs heat from the water

On a warm sunny day, you will feel cooler wearing light colored clothes because they

reflect more radiated heat energy

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.

On a hot day, the upstairs rooms in a house are usually hotter than the downstairs rooms. Why?

Warm air rises and cool air sinks

You have a can of soda in your lunchbox that you want to keep cold. Which material will work best to keep it cold? Options: Aluminum foil wrapped around the soda because metals transfer heat energy easily, A paper towel wrapped around the soda because paper soaks up the moisture, Wax paper wrapped around the soda because wax paper traps the moisture, Your wool sweater wrapped around the soda because wool traps air

Your wool sweater wrapped around the soda because wool traps air

When you hold a metal coat hanger in a camp fire to roast a marshmallow, the coat hanger might become too hot to hold. Why might the coat hanger get too hot?

Metal atoms vibrate with more energy when they get hot, and they collide with atoms near them, which causes the neighboring atoms to vibrate.

An aluminum plate and a plastic plate have been in the freezer all night long. When you remove them the next morning, what can be said about their temperatures?

The plates are the same temperature.

Which statement is true? Options: The quicker a molecule moves, the colder it is., The slower a molecule moves, the warmer it is., The quicker a molecule moves, the warmer it is, The movement on molecule don’t affect its temperature

The quicker a molecule moves, the warmer it is

Thermodynamics Flashcards

Student preview

45 questions

Show all answers

1.

FLASHCARD QUESTION

Front

A(n) _____________ is a device for measuring temperature.

Back

thermometer

2.

FLASHCARD QUESTION

Front

Temperature is a measure of the...

Back

average kinetic energy of molecules in a substance

3.

FLASHCARD QUESTION

Front

A slower particle has a lower energy than an identical, faster particle. True or False?

Back

True

4.

FLASHCARD QUESTION

Front

The transfer of thermal energy between objects of different temperatures is called...

Back

heat

5.

FLASHCARD QUESTION

Front

Is it possible to reach absolute zero?

Back

false

6.

FLASHCARD QUESTION

Front

When thermal energy is added to a substance, the substance's particles move:

Back

More rapidly at an increased distance from each other.

7.

FLASHCARD QUESTION

Front

Heat transfer by conduction occurs when...

Back

particles bump into each other

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