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WorksheetsLight and Heat
Total questions: 44
Worksheet time: 59mins
Name
Class
Date
1.
the passing of heat through a material while the material itself stays in place?
a)
convection
b)
temperature
c)
low temperature
d)
conduction
2.
the flow of thermal energy through a liquid or a gas caused by rising and sinking?
a)
conduction
b)
heat
c)
convection
d)
light
3.
a region like in outer space of few or no particles?
a)
longitudinal
b)
sound waves
c)
vacuum
d)
energy waves
4.
objects that allow light to pass through?
a)
transparent
b)
translucent
c)
Doppler effect
d)
pitch
5.
an object that allows little to no light to pass through?
a)
transparent
b)
translucent
c)
concave
d)
opaque
6.
Objects appear white because they absorb all colors, and objects appear black because they reflect all colors.
a)
True
b)
False
7.
The moon is a source of light.
a)
True
b)
False
8.
Which of these is an example of visible light?
a)
X-rays
b)
rainbow
c)
microwaves
d)
radio waves
9.
How does light travel from a source?
a)
Around corners
b)
In circles
c)
Very slowly
d)
In a straight line
10.
Why do we see objects as black?
a)
They absorb all the light
b)
They reflect all the light
c)
They absorb some light and reflect
11.
Which is transparent?
a)
a wooden fence
b)
clean water
c)
aluminum foil
d)
a purple balloon
12.
What is a property of a transparent object?
a)
Almost all of the light rays that reach it are scattered.
b)
Almost all of the light rays that reach it are absorbed.
c)
Almost all of the light rays that reach it are reflected.
d)
Almost all of the light rays that reach it pass through it.
13.
____________ is the only method of energy transfer that can take place in a vacuum.
a)
radiation
b)
conduction
c)
convection
14.
As the kinetic energy of the molecules in a substance increases, the temperature of the substance __________.
a)
increases
b)
decreases
15.
Which of the following is an example of convection?
a)
A hair dryer is drying up your hair.
b)
When the AC or heater changes the temperature.
c)
When a car engine turns hot after being turned on.
d)
When you are making soup and the water is rising and lowering.
16.
What kind of heat transfer happens when the sun is heating your body?
a)
Conduction
b)
Radiation
c)
Convection
d)
Density
17.
What heat transfer happens when you burn your hand by touching a fire?
a)
Radiation
b)
Conduction
c)
Convectio
d)
I don't know!!!!!!!!!!!
18.
The heat from a hot burner to a pot is transferred by ______.
a)
convection
b)
insulation
c)
radiation
d)
conduction
19.
The way the heat is moving from the hot coffee is called...
a)
convection
b)
radiation
c)
insulation
d)
conduction
20.
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.
21.
Warm air rises and the cool air sinks demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
d)
Insolation
22.
The baby chickens are kept warm from the heat lamps demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
23.
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.
24.
Walking on the warm sand sand with your bare feet demonstrates this type of heat transfer.
a)
conduction
b)
convection
c)
radiation
25.
Warm air is __________ dense than cold air and rises creating convection currents.
a)
more
b)
less
26.
Johnny accidentally grabbed the handle of the hot pot.
a)
conduction
b)
convection
c)
radiation
27.
A group of friends gather around a fire to stay warm.
a)
conduction
b)
convection
c)
radiation
28.
What is A?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Runoff
29.
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
30.
How are heat from the sun and heat from a campfire alike?
a)
They move by radiation.
b)
They move by convection.
c)
They move by conduction.
d)
They are solar energy.
31.
All matter is made of _____ that are constanly moving.
a)
insulators
b)
particles
c)
convection
d)
pieces of plastic
32.
Sawing a piece of wood causes the end being sawed to become warm. In this case, heat is produced by ____.
a)
burning fuels
b)
mixing matter
c)
electricity
d)
friction
33.
What is a luminous object?
a)
Don't know
b)
A sideman
c)
Something that that glows or lights up
d)
A unknown piece of alien technology
34.
What is a non luminous object?
a)
Do not know
b)
A good hairline(aka kirs hairline).
c)
Something that does not glow or light up.
d)
😄
👊 /|\
|.|
👊 /|\
|.|
35.
What do we see non luminous objects?
a)
Nobody knows
b)
Somebody knows
c)
Because light bounced of them into our eyes
d)
Majik
36.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
37.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
38.
What kind of energy is in gasoline in a car tank (car is not on)?
a)
Potential
b)
Kinetic
39.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
40.
As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy?
a)
Both the potential energy and kinetic energy decrease
b)
The potential energy decreases while the kinetic energy increases
c)
The kinetic energy decreases while the potential energy increases
d)
Bothe the potential energy and kinetic energy increase
41.
When a pendulum swings, at which point is kinetic energy highest?
a)
1
b)
2
c)
3
d)
4
42.
What are the 3 ways heat energy is transferred?
a)
conduction, radiation, thermal
b)
conduction, radiation, convection
c)
conduction, convection, nuclear
43.
What type of energy is stored in the particles of matter?
a)
chemical energy
b)
heat energy
c)
kinetic energy
d)
mechanical energy
44.
Food, batteries, and fuel such as gasoline are similar because they are sources of _________ energy.
a)
chemical energy
b)
kinetic energy
c)
mechanical energy
d)
heat energy
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