Quiz about Middle School Heat Transfer

Question 1

Which of the following is NOT a way that heat is transferred?

Accepted Answer

insulator

Answer

conduction

Answer

convection

Answer

radiation

Question 2

Heat transfer is the way that heat....

Accepted Answer

changes forms

Answer

generates

Answer

evaporates

Answer

shuts down

Question 3

When heat energy is added to a substance, the particles in the substance will....

Accepted Answer

move faster

Answer

move slower

Answer

move the same

Answer

stop all movement

Question 4

Convection can only happen in a fluid. What 2 states of matter are considered a fluid?

Accepted Answer

liquid and gas

Answer

solid and liquid

Answer

solid, liquid, and gas

Answer

liquids only

Question 5

Heat ALWAYS transfers from the _________ object to the __________ object.

Accepted Answer

warmer, cooler

Answer

cooler, warmer

Answer

conductor, insulator

Answer

smaller, larger

Question 6

Most metals are considered good ______________ because they can transfer heat easily.

Accepted Answer

conductors

Answer

insulators

Answer

electromagnets

Answer

copper

Question 7

Which of the following is true regarding heat and molecules?

Accepted Answer

heated molecules rise and cooler molecules fall

Answer

heated molecules fall and cooler molecules rise

Answer

heated molecules rise and cooler molecules rise

Answer

heated molecules fall and cooler molecules fall

Question 8

The movement of heat from an area of higher temperature to an area of lower temperature is....

Accepted Answer

heat transfer

Answer

energy

Answer

temperature

Answer

sweating

Question 9

Radiation is the transfer of heat energy through ______ or ____.

Accepted Answer

rays, waves

Answer

direct contact

Answer

solids, liquids

Answer

electromagnets, motors

Question 10

How does an ice cube melting in your hand represent conduction?

Accepted Answer

heat was transferred from your hand to the ice cube by direct contact

Answer

heat was transferred from your hand to the air around the ice cube

Answer

heat was transferred from the ice cube to your hand using direct contact

Answer

rays or waves from your hand transferred to the ice cube

Question 11

The cause of weather and wind.

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 12

Butter melting in a pan.

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 13

How a hot air balloon works.

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 14

Can travel through an empty space.

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 15

Food under a heat lamp.

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 16

Touching a hot pan.

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 17

Must have direct contact with heat.

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 18

boiling water

Accepted Answer

convection

Answer

Conduction

Answer

radiation

Question 19

Question 19.

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 20

Question 20.

Accepted Answer

Conduction

Answer

Convection

Answer

Radiation

Question 21

Stove burner turned on

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 22

The sun's rays

Accepted Answer

Radiation

Answer

Conduction

Answer

Convection

Question 23

Warm air rising, cool air sinking

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 24

The transfer of heat energy by the movement of a gas or liquid...

Accepted Answer

Convection

Answer

Conduction

Answer

Radiation

Question 25

Which of these is NOT a SYNONYM of collide....

Accepted Answer

tear apart

Answer

come together

Answer

hit, bump into

Answer

crash, run into

Question 26

Microwave ovens heat food through the process of...

Accepted Answer

radiation

Answer

conduction

Answer

convection

Answer

stratification

Question 27

An example of friction being converted into heat energy is....

Accepted Answer

rubbing your hands together

Answer

the sun

Answer

a generator

Answer

a Snickers bar

Question 28

Which situation is an example of transferring heat by means of convection?

Accepted Answer

the weather patterns outside

Answer

the sun warming the earth

Answer

you wear pajamas in order to get warm

Answer

you accidentally grabbing the hot pan from the oven

Question 29

Based on the principles of convection, conduction and thermal radiation, which scenario below is most similar to the following situation?

You put a heating pad on your back after exercising.

Accepted Answer

Feeling a metal wire get warmer as you roast a marshmallow over a fire.

Answer

warm air rising in a room where the air is moving

Answer

the sun warming up the roof on a house

Answer

cold water sinking in a pot of water being warmed up on the stove

Question 30

Burning logs in the fire place produce heat energy. The dog get warm from the fire when heat energy is transferred by...

Accepted Answer

radiation

Answer

the air

Answer

conduction

Answer

the flames

Question 31

Which is a better conductor of heat: air or a copper wire? Why?

Accepted Answer

Copper wire conducts heat better because molecules in a solid are closer together.

Answer

Air is a better conductor of heat because it is a mixture.

Answer

Copper is a better conductor of heat because it contains electrons.

Answer

Air conducts heat better because the molecules in a gas are further apart.

Question 32

Why does a metal spoon left on a bowl of hot soup become warm?

Accepted Answer

Metal is a conductor

Answer

Metal is an insulator

Answer

metal produces its own heat

Answer

metal heats up from magnetism

Question 33

Bob has a choice of using stairs or a loading ramp to move a 125N box. What is the most likely effort force required if he carries the box up the stairs INSTEAD of pushing it up the loading ramp?

Accepted Answer

125 N

Answer

0 N

Answer

75 N

Answer

200 N

Question 34

Conduction occurs more easily between solids and liquids. This is because the particles in gases are:

Accepted Answer

farther apart and move faster

Answer

closer together and move faster

Answer

further apart and move more slowly

Answer

closer together and move more slowly

Question 35

Maria went for a walk by a pond. Which object did she see on that walk that gave off heat to keep her warm?

Accepted Answer

the sun

Answer

flowers

Answer

birds singing

Answer

the pond water

Question 36

Once the sun's energy reaches the earth's atmosphere through radiation, it is circulated within the atmosphere and oceans through

Accepted Answer

convection

Answer

conduction

Answer

radiation

Answer

translocation

Question 37

A man is pushing a heavy crate up an inclined plane (ramp) into the back of a semi trailer. What can the man do to make it easier to get the crate up the ramp?

Accepted Answer

make the ramp longer

Answer

Use gloves

Answer

make the ramp shorter

Answer

pull it instead of push it

Question 38

Heat is transferred from the heating element to the pot to the boiling water. What is the MOST likely method of heat transfer?

Accepted Answer

conduction

Answer

circulation

Answer

convection

Answer

radiation

Question 39

Sue's science teacher provided the class with a number of objects. He asked the class to determine which objects might give off heat. What observation would help Sue to predict which objects might give off heat?

Accepted Answer

She can observe the light made by the objects

Answer

She can feel the texture of the objects

Answer

She can look at the shape of the objects

Answer

She can measure the masses of the objects

Question 40

Determine which heat transfers below are due to the process of conduction.

1) You walk barefoot on the hot street and it burns your toes.

2) When you get into a car with hot black leather in the middle of the summer and your skin starts to get burned.

3) A flame heats the air inside a hot air balloon and the balloon rises.

4) A boy sits to the side of a campfire. He is 10 feet away, but still feels warm.

Accepted Answer

1 and 2

Answer

3 and 4

Answer

1, 2, and 4

Answer

2, 3, and 4

Question 41

The process that keeps heat from being transferred between two substances is...

Accepted Answer

insulation

Answer

conduction

Answer

convection

Answer

radiation

Question 42

Jan's teacher showed the class a mirror, a lit flashlight, a burning candle, a thick scarf, a wool mitten, and a sparkly sticker. Jan's group observed the objects and made a list of those that give off heat. What did Jan's group notice about the objects that give off heat.

Accepted Answer

They produce light

Answer

They sparkle

Answer

They are insulators

Answer

You wear them to keep warm

Question 43

Two farmers are trying to move a large rock that sits in a field. They use a long stick as a lever and a brick as the fulcrum, as shown in the diagram. They apply a force on the stick about 3/4 up the stick. However, the rock does not move. Which change would BEST allow the farmers to move the rock?

Accepted Answer

applying an equal force at a location farther away from the rock.

Answer

moving the brick closer to the rock

Answer

moving the brick to the other side of the rock

Answer

applying a smaller force at the same location on the stick

Question 44

Explain why a Chef in a very busy restaurant would prefer a copper pot over an aluminum pot.

Accepted Answer

The copper pot would heat faster because it has a lower specific heat value.

Answer

The copper pot would heat slower because it has a lower specific heat value.

Answer

The copper pot would heat faster because it has a higher specific heat value.

Answer

The copper pot would heat slower because it has a higher specific heat value.

Question 45

When learning about energy, Brian made these two lists in his science notebook:

A: flying bird, a car driving on the road, a snake slithering in the grass

B: a ball resting on a bench, a car parked on a hill, a coiled spring

Which heading would best fit these lists?

Accepted Answer

A: Kinetic energy B: potential energy

Answer

A: wind energy B: Nuclear energy

Answer

A: solar energy B: Kinetic energy

Answer

A: Mechanical energy B: Electrical energy

Question 46

Will was riding his bike when a dog ran out in front of him. He slammed on his brakes. During this quick stop, some of the mechanical energy (his motion) was changed into...

Accepted Answer

Heat energy

Answer

light energy

Answer

kinetic energy

Answer

potential energy

Question 47

Which situation is an example of radiant energy being transformed into thermal energy?

Accepted Answer

A woman feels warmer by standing next to a sunlit window

Answer

A camper starts a fire by lighting a match

Answer

A biker pedals harder as the hill gets steeper

Answer

A home owner puts in a light bulb in his dark basement.

Question 48

It is a hot summer day. You fill your glass with ice and pour in some sweet tea. What form of energy is found in the ice cubes?

Accepted Answer

heat energy

Answer

light energy

Answer

mechanical energy

Answer

electrical energy

Question 49

When light from the sun warms the ground, the transfer of heat energy is called...

Accepted Answer

radiation

Answer

conduction

Answer

power

Answer

reflection

Question 50

Energy is transferred in solids by conduction, which means that...

Accepted Answer

heat travels from the hotter object to the cooler object

Answer

heat travels in both directions

Answer

heat travels from the cooler object to the hotter object

Answer

heat does not travel between objects of different temperatures

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