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WorksheetsHeat, Temperature, and Thermal Energy
Total questions: 50
Worksheet time: 17mins
Name
Class
Date
1.
The amount of heat required to raise the temperature of one gram of a substance by one degree Celsius is ________
a)
Heat energy
b)
Specific heat
c)
convection
d)
thermal energy
2.
What is the definition of CONDUCTION?
a)
When heat is transferred from objects like rays of light or electromagnetically.
b)
A hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
3.
What is the definition of CONVECTION
a)
When heat transfers through the heater or AC in your house.
b)
When heat transfers from objects that are touching.
c)
A hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
4.
What is the definition of RADIATION
a)
Hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
b)
When heat is transferred from objects like rays of light or electromagnetically.
c)
When heat transfers from objects that are touching.
d)
When heat transfers through the heater or AC in your house.
5.
How many kinds of heat transfer are there?
a)
1
b)
2
c)
3
d)
4 or more
6.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
7.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
8.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
9.
This is an example of-
a)
Conduction
b)
Convection
c)
Radiation
10.
Hot objects begin to cool as-
a)
cooler air is transferred to the hot object.
b)
thermal energy in the object is transferred to the surrounding air.
c)
atoms in the object react with the oxygen in the air.
d)
thermal energy in the object cancels out energy in the air
11.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
12.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
13.
Insulation is used in the walls of a building to ____.
a)
trap solar energy
b)
keep thermal energy from moving through the walls
c)
conduct thermal energy
d)
keep cold air from moving through the walls
14.
Why do you want to live in a home with good insulation during the cold winter months?
a)
The insulation will keep you cool during winter.
b)
If there is good insulation, the thermal energy will not be able to move easily from inside the warm home to the cool areas outside the building.
c)
If there is not good insulation, the air inside the home will become too hot.
d)
A house with good insulation will keep the warm air in the attic.
15.
When a popsicle melts, the particles _____.
a)
gain thermal energy and speed up
b)
there are no particles in popsicles
c)
lose thermal energy and slow down
d)
stay the same
16.
Which is more dense?
a)
Hot Liquid
b)
Cold Liquid
17.
What type of material makes the best conductor?
a)
Food
b)
Wood
c)
Styrofoam
d)
Metal
18.
What type of material makes the best insulators?
a)
Aluminum
b)
Copper
c)
Styrofoam
d)
Metal
19.
Heat and Temperature are the same thing
a)
True
b)
False
20.
What is temperature?
a)
How hot or cold something is
b)
a number on a thermometer
c)
what I have when I am sick
d)
anything about 30 degrees
21.
What is an insulator?
a)
Something that does NOT absorb heat very well.
b)
Something that absorbs heat.
22.
What is a conductor?
a)
Something that does NOT absorb heat very well.
b)
Something that absorbs heat.
23.
Heat passes from...
a)
High to low
b)
Cold to hot
c)
Hot to cold
d)
Heat cannot be passed
24.
Explain the difference between conduction and convection.
a)
Conduction involves heat going in all directions while heat rises with convection.
b)
Heat moves in all directions for convection, but it rises for conduction.
c)
Heat rises for convection and travels thru liquids and gases. Conduction travels thru solids and liquids but must be touching.
d)
Thermal energy travels thru solids for both conduction and convection; however, conduction involves direct contact.
25.
Identify and explain the different types of heat transfer (convection, conduction, radiation) occurring in the following scenario. Chris went on a camping trip. During the day it was so hot that he got sunburn. When it was time to go to his campsite, he noticed smoke in the air. His father had started a fire and he felt the heat as he walked by. In the morning while his mother was cooking breakfast he accidentally touched a hot pan and got burned. Although this was the case he still had a lot of fun on the trip.
a)
Sunburn = radiation;
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = convection
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = convection
b)
Sunburn = radiation;
Smoke rising = conduction;
Feeling fire = radiation;
Touching hot pan = conduction
Smoke rising = conduction;
Feeling fire = radiation;
Touching hot pan = conduction
c)
Sunburn = radiation;
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = conduction
Smoke rising = convection;
Feeling fire = radiation;
Touching hot pan = conduction
26.
The average kinetic energy in an object.
a)
convection
b)
temperature
c)
Heat
d)
radiation
27.
What type of heat transfer is seen in the picture?
a)
Conduction
b)
Convection
c)
Radiation
d)
Ouch
28.
What type of heat transfer is seen in the picture?
a)
Radiation
b)
Conduction
c)
Convection
d)
Coach Smith's moods
29.
What type of heat transfer is seen in the picture?
a)
The sun melting the earth
b)
Conduction
c)
Convection
d)
Radiation
30.
The energy transferred between objects at different temperatures
a)
Thermal energy
b)
Heat
c)
Temperature
31.
What is thermal energy
a)
The sun
b)
The total amount of energy from the movement of particles in matter
c)
The ability to do work
d)
Some science thing
32.
Pans A & B shown above have been on a hot stove for 10 minutes. Pan A has a metal handle and pan B has a plastic-coated handle. Which handle would be hotter?___________ Why?_________________
a)
Pan A because the metal is a conductor of heat.
b)
Pan B because there is an insulator on the pan.
c)
Pan A because there metal is an insulator.
d)
Pan B because the metal conducts heat.
33.
Thermometers work because liquids ____ when heated.
a)
turn red
b)
shrink
c)
expand
d)
evaporate
34.
In the Kelvin temperature scale, O degrees K is the lowest temperature that an object can have, known as____.
a)
volume of zero
b)
negative temperatures
c)
zero calories
d)
abolute zero
35.
When an object is cooled, its molecules slow down and move closer together, causing the object to _____.
a)
shrink or contract
b)
expand or move apart
c)
squeeze into a solid
d)
become a gas
36.
The amount of thermal energy needed to raise the temperature of 1 kg of materials by 1 degree Celsius is called the ____.
a)
thermal pollution
b)
conduction
c)
convection
d)
specific heat
37.
The energy that a moving object has that increases when the speed of that object increases is called ____.
a)
potential
b)
thermal
c)
kinetic
d)
scientific
38.
True or false? Heat will stop when equilibrium is reached.
a)
True
b)
False
39.
Which sentence explains why a cold metal spoon placed in a pot of boiling water becomes hot?
a)
Thermal energy is transferred from the spoon to the water.
b)
Thermal energy is transferred from the water to the spoon.
c)
Thermal energy in the water is transformed into kinetic energy in the spoon.
d)
Thermal energy in the spoon is transformed into kinetic energy in the water.
40.
Darth Vader is using a light saber. The light saber is transfering heat through-
a)
Conduction
b)
Convection
c)
Radiation
41.
An ice cube feels cold in your hand because:
a)
your hand is an insulator
b)
heat flows from your hand to the ice cube
c)
cold flows from the ice cube to your hand
d)
there is friction between your hand and the ice cube
42.
If you place a cold cup of water in the direct sunlight on a hot day, what change will take place in the thermal energy of the particles that make up the water?
a)
The particles will remain the same.
b)
The solar energy will cause the particles will slow down because the sun will make the water warmer.
c)
The particles will become smaller when the sun's energy heats the water up.
d)
The solar energy will cause the water to warm up. This will cause the particles of water to change from moving very slowly-less thermal energy (when cold) to moving quickly as they gain thermal energy (warm up).
43.
This is a lava lamp. When the light bulb heats the wax, the wax rises. When the wax cools, it falls. This cycle of rising/falling is an example of:
a)
Conduction.
b)
Convection.
c)
Radiation.
44.
A thermometer tells you ...
a)
how to make something hot.
b)
how to cook dinner.
c)
how hot or cold something is.
d)
what time it is.
45.
The chocolate bunny and the iron.
a)
conduction
b)
convection
c)
radiation
46.
The chocolate bunny and the blow dryer.
a)
conduction
b)
convection
c)
radiation
47.
The chocolate bunny and the lamp.
a)
conduction
b)
convection
c)
radiation
48.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
49.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
50.
Heat transfer always goes from-
a)
Cold to Hot
b)
Hot to Cold
c)
Heat doesn't transfer
d)
Freezing to Cold
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