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Heat Transfer Review

Total questions: 49

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

Hot chocolate is stirred with a spoon and the spoon gets hot.

a)

Conduction

b)

Convection

c)

Radiation

d)

Temperature

2.

The sun warms your skin on a cold day.

a)

Conduction

b)

Convection

c)

Radiation

d)

Temperature

3.

Macaroni rises and falls in a pot of heated water.

a)

Conduction

b)

Convection

c)

Radiation

d)

Dinner

4.

You burn your hand by touching a hot stove.

a)

Conduction

b)

Convection

c)

Radiation

d)

Temperature

5.

Warming your feet in front of a fire.

a)

Conduction

b)

Convection

c)

Radiation

d)

Vacation

6.

Hot air balloon rises.

a)

Conduction

b)

Convection

c)

Radiation

d)

Adventure

7.

The air near the ceiling in a room is warmer that the air near the floor.

a)

Conduction

b)

Convection

c)

Radiation

d)

Electricity

8.

The sidewalk increases in temperature on a sunny day.

a)

Conduction

b)

Convection

c)

Radaiation

d)

Heat

9.

Heat transfer through liquid and gases

a)

Conduction

b)

Convection

c)

Radiation

d)

Temperature

10.

Electromagnetic waves through empty space

a)

Conduction

b)

Convection

c)

Radiation

d)

Magic

11.

When two objects are in physical contact with each other

a)

Conduction

b)

Convection

c)

Radiation

d)

Friction

12.

Energy transfer when an ice cube is put in a tray of warm water and melts

a)

Conduction

b)

Convection

c)

Radiation

d)

Mechanical

13.

Rocks getting warmed by the sun

a)

Conduction

b)

Convection

c)

Radiation

d)

Sun bathing

14.

Beach sand getting warmed by the sun

a)

Conduction

b)

Convection

c)

Radiation

d)

Sun bathing

15.

The transfer of heat from one substance to another through direct contact

a)

conduction

b)

radiation

c)

convection

16.

The transfer of heat through currents caused by the warming and cooling in liquids and gasses

a)

convection

b)

conduction

c)

radiation

17.

The transfer of heat through electromagnetic waves

a)

convection

b)

radiation

c)

conduction

18.

Hot chocolate warming the outside of a cup

a)

conduction

b)

convection

c)

radiation

19.

Cooking food in a microwave

a)

convection

b)

radiation

c)

conduction

20.

Roasting marshmellows

a)

radiation

b)

conduction

c)

convection

21.

Ice melting in your hand

a)

conduction

b)

radiation

c)

convection

22.

What is heat transfer?

a)

The transfer of heat from a warmer object to a cooler object.

b)

The transfer of heat from a cooler object to a warmer object.

c)

The transfer of heat.

23.

Which type of heat transfer(s) do not require objects to touch?

a)

conduction

b)

convection

c)

radiation

24.

In which state(s) of matter can convection occur?

a)

solids

b)

liquids

c)

gases

d)

all of the above

25.

Warm air/water ___________ because it is less dense than cool air/water.

a)

rises

b)

falls

26.

Cool air falls because it is ___________________ than warm air.

a)

less dense

b)

more dense

27.

Which of the following materials is a conductor?

a)

Metals

b)

Plastic

c)

Wood

d)

Rubber

28.

Which of the following materials is an insulator?

a)

Water, oil, and salt

b)

Copper, aluminum, and iron

c)

Metal, wood, and paper

d)

Rubber, plastic, and glass

29.

Metal is a great conductor of heat so it flows quicker.

a)

True

b)

False

30.

Plastic is a great conductor of heat so it flows quicker.

a)

True

b)

False

31.

Which particles move the FASTEST and have more thermal energy?

a)

Cold Particles

b)

Hot Particles

32.
The handle of a frying pan is often coated in rubber because rubber provides...
a)
Heat insulation
b)
Heat conduction
c)
A low melting point
d)
A nonstick surface
33.
Which of the following is NOT an insulator?
a)
Wool
b)
Plastic
c)
Copper
d)
Styrofoam
34.
Conductors are materials that...
a)
Allow heat to pass through
b)
Stop heat from passing through
c)
Allow cold to pass through
d)
Stop cold from passing through
35.
Gloves help keep your hands warm in winter because:
a)
They are conductors of heat.
b)
They are fuzzy.
c)
They are conductors of electrical energy.
d)
They are insulators.
36.
An object that doesn't conduct heat well is known as:
a)
a conductor
b)
an insulator
37.
Thermal energy travels...
a)
Hot to cold
b)
Cold to hot
c)
Inside to outside
d)
Outside to inside
38.

The energy that is transferred from a warmer object to a cooler object

a)
Heat
b)
Light
c)
Sound
d)
Cold
39.

The lowest temperature possible

a)
Absolute zero
b)
Freezing point
c)
Subzero
d)
Absolute hot
40.

The transfer of energy from one particle of matter to another within an object or between two objects that are in direct contact

a)
Conduction
b)
Convection
c)
Radiation
d)
Insulation
41.

A type of heat transfer that occurs through the movement of fluids, which can be solid, liquid, or gas

a)
Radiation
b)
Conduction
c)
Evaporation
d)
Convection
42.

The movement of a fluid, caused by differences in temperature, that transfers heat from one part of the fluid to another.

a)

Evaporation Molecules

b)

Condensation Waves

c)

Radiation Flow

d)

Convection Current

43.
On a cold rainy day a baby is touching a cold window.  It feels so cold. Which way is the heat moving moving? 
a)
Cold is moving from the window to the hand.
b)
Heat is moving from the hand to the window.
c)
Heat doesn't move.
d)
It moves in currents
44.
Which ice cube will melt first?
a)
The large cube
b)
The small cube
c)
They will melt at the same rate
45.
Heat transfers from an area of ____temperature to an area of ___ temperature.
a)
high to low
b)
low to high
c)
high to high
d)
It can travel high to low and low to high. 
46.
A cup of tea with a temperature of 80 degrees Celsius is placed on a table in a 20 degree Celsius room.  What happens to the thermal energy and the molecular motion of the tea when it is left on the table?
a)
The thermal energy increases and the molecules move faster.
b)
The thermal energy decreases and molecules move more slowly.
c)
The thermal energy increases and the molecules move more slowly.
47.
A student touches a metal sink with her finger and notices that her finger feels cold.  Which of the following statements explains this observations?
a)
Heat energy flows from the student's finger to the metal.
b)
Heat energy flows from the metal sink to the student's finger.
c)
The student's finger was originally at the same temperature as the sink.
48.

What is temperature?

a)

A material that conducts heat well.

b)

The average kinetic energy of particles.

c)

Heat transfer that occurs through liquids and gases.

d)

Total kinetic energy of particles.

49.

What is heat?

a)

A material that does not conduct heat well.

b)

The transfer of heat through direct contact.

c)

Energy transfer from an object at a higher temperature to an object at a lower temperature.

d)

Average kinetic energy of particles.