What happens to particles as they heat up?

they speed up and move farther apart

they slow down and move closer together

What happens to particles as they cool down?

they slow down and move closer together

they speed up and move farther apart

Mittens help keep your hands warm in winter because:

They are conductors of electrical energy.

The Law of Conservation of Energy states:

energy cannot be created or destroyed, it can only transformed

energy can created or destroyed but not transformed

energy can't be created, destroyed or transformed

Which of the following is an example of heat transfer through radiation?

beach sand getting warmed by the sun

a pot of soup warming of a hot burner

a crayon melting on a hot sidewalk

Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?

Thermal energy is transferred from the water to the spoon.

Thermal energy is transferred from the spoon to the water.

Thermal energy in the water is transformed into kinetic energy in the spoon.

Thermal energy in the spoon is transformed into kinetic energy in the water.

Hot objects begin to cool as-

thermal energy in the object is transferred to the surrounding air

cooler air is transferred to the hot object

atoms in the object have a chemical reaction with the oxygen in the air

thermal energy in the object cancels out energy in the air

What observation can you make about what happened to the snowman?

It changed from a solid to a liquid.

It changed from a liquid to a solid.

It changed from a liquid to a gas.

It changed from a gas to a solid.

Which change is happening to the water?

it is changing from a liquid to a gas

it is changing from a liquid to a solid

it is changing from a solid to a gas

it is changing from a gas to a liquid

Three jars are filled with the same amount of water and placed in the freezer over night. The next day, a different type of material is wrapped around each jar and placed in a pan of hot water. Students observe the ice in each jar and discover that the jar wrapped in aluminum foil melts first, and the jar wrapped in cotton melts last. Which property of the different types of materials are the students most likely investigating?

ability to insulate thermal energy

ability to produce thermal energy

What is the difference between heat and temperature?

temperature measures the average speed of particles, and heat is the transfer of thermal energy (total motion of the particles)

temperature is measured by a thermometer, and heat is measured by a barometer

heat is measured in calories, and temperature is measured in joules

heat is caused by the sun, and temperature is caused by conditions in the atmosphere

Why is there more thermal energy in an iceberg than in a pot of boiling water?

icebergs contain many more molecules than pots of water

the pot insulates the heated molecules

most icebergs are fairly warm to the touch

water does not hold heat very well

If all three beakers were filled with water that was the same temperature, which one would have the most total heat/thermal energy?

all would have the same amount of total heat/thermal energy

Compare the two beakers, one with cold water and one with warm water. Which one would have the greatest total heat/thermal energy?

the would both have the same amount of total thermal energy/heat

Thermal Energy End-of-Unit Test Review

Quiz

•

Other Sciences, Physics

•

6th - 8th Grade

•

Practice Problem

•

Medium

Used 32+ times

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60 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Conduction is heat transfer by -

Touch

Circles

Waves

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

conduction

convection

radiaton

thermal

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Thermal Energy End-of-Unit Test Review

60 questions

Conduction is heat transfer by -

Convection is heat transfer by-

Warm air rises and the cool air sinks demonstrates this type of heat transfer.

The heat from a hot burner to a pot is transferred by ______.

When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through

The sun warming your skin is an example of heat transfer through

Heat transfer through electromagnetic waves is called

Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.

Thermal energy from the sun travels to the earth by ______.

Hot coffee is stirred with a spoon; the spoon gets hot due to

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