class 7 test chapter heat

1.

Multiple Choice

30 sec

1 pt

what is the meaning of convection?

cold rises heat falls

heat

cold

hot rises cold falls

2.

Multiple Choice

30 sec

1 pt

what is the meaning of conduction

when heat transfers from objects that are not touching

heat rise

cold fall

when heat transfers from objects that are touching

3.

Multiple Choice

30 sec

1 pt

what kind of heat is happening when the sun heats your body

conduction

convection

density

radiation

4.

Multiple Choice

30 sec

1 pt

heat energy traveling through space is an example of _____

convection

density

radiation

conduction

5.

Multiple Choice

30 sec

1 pt

What is the transfer of heat by movement of liquids or gases?

Radiation

Convection

Conduction

Heat

6.

Multiple Choice

30 sec

1 pt

What is a substance that does NOT conduct heat well?

Conductor

Insulator

Convector

Radiator

7.

Multiple Choice

30 sec

1 pt

What is a substance that DOES conduct heat well?

Conductor

Insulator

Convector

Radiator

8.

Multiple Choice

30 sec

1 pt

What is the transfer of kinetic energy from one substance to another?

Heat

Energy

Thermal energy

Temperature

9.

Multiple Choice

5 mins

1 pt

The man goes to take the hot pot off the stove with his bare hands.

conduction

convection

radiation

10.

Multiple Choice

5 mins

1 pt

Warm air rises and the cool air sinks.

conduction

convection

radiation

11.

Multiple Choice

5 mins

1 pt

The baby chickens are kept warm from the heat lamps.

conduction

convection

radiation

12.

Multiple Choice

5 mins

1 pt

The candle will slowly heat the metal and transfer the heat directly to the mans hand.

conduction

convection

radiation

13.

Multiple Choice

5 mins

1 pt

Johnny accidentally grabbed the handle of the hot pot.

conduction

convection

radiation

14.

Multiple Choice

1 min

1 pt

What is Convection?

When heat is passed from particle to particle through an object.

When particles get heated, expand, and become less dense.

When heat transfers by waves through empty space.

15.

Multiple Choice

1 min

1 pt

What is Conduction?

When heat is passed from particle to particle through an object.

When particles get heated, expand, and become less dense.

When heat transfers by waves through empty space.

16.

Multiple Choice

1 min

1 pt

What is Radiation?

When heat is passed from particle to particle through an object.

When particles get heated, expand, and become less dense.

When heat transfers by waves through empty space.

17.

Multiple Choice

1 min

1 pt

Which of the following is an example of heat transfer by Conduction?

Burning your fingers on a hot iron.

Heat from a heater warming up your whole house

Standing by a campfire and feeling the heat.

All of the above.

18.

Multiple Choice

1 min

1 pt

Which of the following is an example of heat transfer by Convection?

Burning your fingers on a hot iron.

Heat from a heater warming up your whole house

Standing by a campfire and feeling the heat.

All of the above.

19.

Multiple Choice

1 min

1 pt

Which of the following is an example of heat transfer by Radiation?

Burning your fingers on a hot iron.

Heat from a heater warming up your whole house

Standing by a campfire and feeling the heat.

All of the above.

20.

Multiple Choice

1 min

1 pt

What is heat?

The temperature of hot objects

The energy transferred between hot objects

The fire hot objects give off.

All of the above

21.

Multiple Choice

1 min

1 pt

How does heat move?

From cooler objects to warmer objects.

From warmer objects to cooler objects

From metal objects to nonmetal objects

Very quickly in all directions

22.

Multiple Choice

30 sec

1 pt

Heat transfers from ______ objects to cold objects.

Cold

Hot

Convection

Radiation

23.

Multiple Choice

30 sec

1 pt

Touching hot sand is....

Conduction

Convection

Radiation

24.

Multiple Choice

5 mins

1 pt

The sun shines down on this family as the play on the beach.

conduction

convection

radiation

25.

Multiple Choice

30 sec

1 pt

The temperature scale that has lower fixed point 0 degree celsius and the upper fixed point at 100 degree celsius is called

Kelvin scale

Celsius scale

Absolute scale

Fahrenheit scale

26.

Multiple Choice

45 sec

1 pt

Which of the following is the best example of conduction?

A light bulb warming a lampshade

An egg cooking in a frying pan

Water boiling in a pot

Gases circulating in the atmosphere

27.

Multiple Choice

1 min

1 pt

Which material will heat travel through the fastest?

Plastic

Wood

Metal

28.

Multiple Choice

30 sec

1 pt

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

one reaches a temperature of zero

they both have an equal temperature

one runs out of energy

29.

Multiple Choice

30 sec

1 pt

Warm water rises and cool water sinks. This is an example of

convection

conduction

radiation

none of the above

30.

Multiple Choice

30 sec

1 pt

60% of the energy used in a home is consumed by

lighting

electronics

heating

washing

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