WorksheetsHeat and Heat Techonology Review
Total questions: 21
Worksheet time: 42mins
Looking at the photo, the particles in box 1 represent which state of matter...
solid
liquid
gas
object
To keep food fresh and cool, a refrigerator ______________ the food stored in it
adds coldness to
takes heat away from
makes ice to cool
takes water away from
Looking a the picture, which box would have the LOWEST heat?
1
2
3
all are the same
Which of the following is a method of heat transfer?
convection
photosynthesis
fission
explosion
Which item would be the best insulator?
air conditioner
wool gloves
paper
metal box
A thermometer works because...
the liquid inside moves due to radiation from the sun
the liquid inside expands or contracts depending on its thermal energy
the liquid inside freezes and melts
The different temperature scales are...
Fahrenheit
Celsius
Kelvin
All of the above
If you hold an ice cube in your hand and it begins to melt, heat is being transferred by...
convection
conduction
radiation
condensation
If you hold an ice cube in your hand, it begins to melt because...
heat is being transferred from the ice to your hand
heat is being transferred from your hand to the ice cube
heat is being transferred from the ice cube to the air
friction is causing it to melt
Heat can only be...
created
destroyed
transferred
taken away
The term thermal energy refers to....
the potential and kinetic energy to particles in an object
temperature
chemical makeup of an object
You are sunbathing and begin to feel hot, what is responsible for this?
convection
condensation
radiation
conduction
which would make a better conductor?
a plastic fork
a paper plate
a metal spoon
a wooden knife
while swimming in a lake, you notice parts of the water are cold and other parts are warm... what is responsible for this?
conduction in the water
convection in the water
radiation in the water
cloud cover over the water
Specific heat of a substance is...
how hot it needs to be to boil
freezing point
how much thermal energy is needed to raise it 1 degree.
the temperature that would burn you
______________ changes of a substance can cause heat to be released or absorbed
physical
chemical
temperature
shape
The amount of chemical energy in food is called a
fat
substance
calorie
protein
Insulation is used in homes in order to...
keep them from falling down
reduce the transfer of thermal energy
keep them safe from wind
reduce damage from rain
Thermal pollution is...
trash in bodies of water
the excess heating of a body of water
plastic thrown into bodies of water
heating of our atmosphere
At the specific point where a substance changes its state of matter (ex: liquid to gas) the temperature
increases
decreases
stays the same
is lost
At the specific point where a substance changes its state of matter (ex: liquid to gas) the temperature stays the same because the particles are...
slowing down
rearranging - gaining or losing energy
running away
jumping
