WorksheetsHeat Transfer and Thermal Energy
Total questions: 23
Worksheet time: 24mins
Name
Class
Date
1.
The sun shines down on this family as the play on the beach.
a)
conduction
b)
convection
c)
radiation
2.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
3.
The Gulf Stream is a current that brings warm ocean water from the south to the north.
a)
conduction
b)
convection
c)
radiation
4.
Walking on the warm sand sand with your bare feet.
a)
conduction
b)
convection
c)
radiation
5.
Blow drying your wet hair.
a)
conduction
b)
convection
c)
radiation
6.
Which direction will the heat flow while this person holds a hot cup of tea?
a)
from the cup to her hand
b)
from her hand to the cup
c)
no heat is transferred
7.
Which direction will the heat flow while this ice cap melts?
a)
there is no heat transfer
b)
from the icecap to the water
c)
from the water to the icecap
8.
Warm air rises and the cool air sinks.
a)
conduction
b)
convection
c)
radiation
9.
What type of energy is in this picture?
a)
Kinetic
b)
Elastic Potential
c)
Chemical
d)
Gravitational Potential
10.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
11.
What kind of energy is represented in the picture?
a)
Thermal
b)
Chemical
c)
Sound
d)
Nuclear
12.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
13.
What is the energy transformation for this battery powered car?
a)
Chemical-sound-thermal-light
b)
Chemical-electrical-mechanical-sound
c)
mechanical-electrical-sound
d)
light-sound-mechanical
14.
As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.
a)
increases
b)
decreases
15.
The measure of average kinetic energy of all the particles within an object is called ____________.
a)
temperature
b)
conduction
c)
radiation
d)
heat
16.
In which state of matter are molecules moving the slowest?
a)
solid
b)
liquid
c)
gas
d)
all of the above
17.
Water boils at 100⁰ C, which is the same as___⁰F.
a)
212
b)
273
c)
32
d)
0
18.
Water freezes at 32⁰F, which as the same as___ K.
a)
273
b)
0
c)
373
d)
100
19.
Scientists use either the ____ scale or the ____ scale.
a)
celsius, farenheit
b)
farenheit, kelvin
c)
kelvin
d)
celsius, kelvin
20.
The energy transferred between object's at different temperatures
a)
heat
b)
thermal energy
c)
radiation
d)
convection
21.
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.
22.
Convert 20oC to Kelvin.
a)
273 K
b)
298 K
c)
293 K
d)
20 K
23.
The temperature at which an object's energy is minimal is called ____________.
a)
absolute zero
b)
minimum temperature
c)
zero
100 %
