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WorksheetsQuiz: Heat transfer
Total questions: 90
Worksheet time: 1hrs 20mins
Which of the following can transfer heat through the vacuum of empty space?
Radiation
Curling Iron
Conduction
Convection
Radiation
Weather Patterns
Conduction
Convection
Radiation
Microwaving Food
Conduction
Convection
Radiation
After cooking an egg in boiling water, you cool the egg by putting it into a bowl of cold water. Which of the following explains the egg’s cooling process?
Hot water moves from the egg to the water.
Cold water moves into the egg.
Energy is transferred from the water to the egg.
Energy is transferred from the egg to the water.
Latent heat is
the heat absorbed or released at a boiling process during a change of phase
the heat absorbed or released at a constant temperature during a change of phase
the heat absorbed or released at a constant temperature during a change of phase of 1 kg object
the heat absorbed or released by an object to increase or decrease its temperature by 1 degree Celcius
Water molecules have the greatest kinetic energy in
Ice at 0 ⁰C
Water at 90 ⁰C
Water at 373 K
Steam at 150 ⁰C
How much energy is needed to raise the temperature of 5.0 grams of lead from 25°C to 35°C? [specific heat (c) = 0.129 J/(g•°C)]
6.45 J/(g•°C)
6.45 J
16.1 J/(g•°C)
d.16.1 J
Which of the following best explains why the sand at the beach is hotter than the water?
Sand has a higher specific heat than water.
Sand has a lower specific heat than water.
There is more water than sand at the beach.
There is more sand than water at the beach.
The heat absorbed by melting a solid is known as
latent heat of fusion
latent heat of solid
latent heat of liquid
latent heat of vaporisation
Which will heat up faster?
copper
granite
iron
basalt
What physical quantity refers to the measurement of average kinetic energy of the molecules in an object?
Temperature
Heat
Energy
Work
What physical quantity refers to amount produced by internal motion of the particles of matter and with the presence of friction?
Temperature
Heat
Energy
Work
What is the unit of the physical quantity of heat?
Meter
Watts
Joules
Joules per second
The unit of the physical quantity of heat energy can be broken down into two simpler units of?
Meter and second
Watts and kilogram
Kilometer and Newton
Newton and meter
What type of heat transfer explains the rising of the sky lanterns and hot air balloon?
Radiation
Conduction
Convection
Subduction
How will you compare the amount of temperature present between the sky lantern and hot air balloon?
Both of them have the same amount of temperature since both of them contain air molecules.
The sky lantern has greater amount of temperature compared to the hot air balloon
The hot air balloon produces greater temperature compared to the sky lantern.
The sky lantern has lesser amount of temperature compared to the hot air balloon.
It is a type of heat transfer that transfer heat in rays, from hot object without needing a medium to pass through. It travels in all directions.
Convection
Radiation
Subduction
Conduction
How will you describe the amount of heat produced by the hot air balloon compared to the sky lantern?
The hot air balloon and the sky lantern is producing the same amount of heat.
The hot air balloon is producing lesser amount of heat compared to the sky lantern.
The sky lantern is producing greater amount of heat compared to the hot air balloon.
The hot air balloon is producing greater amount of heat compared to the sky lantern.
Heat is a form of ___________.
fuel
electricity
matter
energy
How will you describe the air molecules inside the lantern and hot air balloon as it is being heated?
The air molecules expand and collide with the other molecules as the lantern and hot air balloon are being heated.
The air molecules will be gone as the lantern and hot air balloon are being heated.
The air molecules will not be affected as the lantern and hot air balloon are being heated.
The air molecules will escape outside the lantern or hot air balloon as they are being heated.
If you live in a cold climate it is important to stay warm. What is one way you could stay warm?
Turn on the air conditioner
Wear light colored clothing
Wear a heavy coat
Turn the heater down
Rising warm air is an example of _______________________.
Radiation
Convection
Conduction
Induction
When you sit in a car with hot, black leather seats in the middle of summer and you get burnt, this is an example of ____________________.
Induction
Convection
Conduction
Radiation
Heat moves from _________ objects to _________ objects.
warmer, cooler
bigger, smaller
cooler, warmer
smaller, bigger
What is the definition of CONDUCTION?
When heat is transferred from objects like rays of light or electromagnetically.
When heat transfers from objects that are touching.
a hot liquid or air that expands, becomes less dense, and rises or becomes more dense, and sinks.
The total amount of thermal energy an object has.
It is a type of heat transfer that transfer heat through a gas or liquid medium that moves upward carrying heat with them.
Subduction
Convection
Conduction
Radiation
What is the expected outcome of the hot air balloon upon turning on the burner producing heat?
The hot air balloon will not create any movement as the burner is on and produce heat.
The balloon will rise in an upward direction due to heat coming from the burner.
The balloon will not rise in an upward direction due to heat coming from the burner.
The balloon will sink in a downward direction due to heat coming from the burner.
When you sit in a car with hot, black leather seats in the middle of summer and you get burnt, this is an example of ____________________.
Convection
Conduction
Induction
Radiation
What form of energy is gained by air molecules inside the sky lantern upon lighting it and the inside environment of the lantern becomes warmer?
Electrical energy
Mechanical energy
Heat energy
Solar energy
With convection, warm air ____________ and cold air _____________.
rises, sinks
sinks, rises
What are the units for measuring heat energy?
newtons
degrees Celsius
joules
degrees Fahrenheit
What are the units for measuring heat energy?
newtons
degrees Celsius
joules
degrees Fahrenheit
If you leave a cup of hot tea standing in the kitchen for a whole day, what will happen?
No energy will be transferred.
It will gain energy from the air in the kitchen.
Energy will be transferred from the tea to the air until the tea is the same temperature as the air.
Energy will be transferred from the tea to
the air in the kitchen, so the tea will end up colder than the air in the kitchen.
Which statement is correct?
Temperature is a form of energy.
Heat describes how hot or cold something is.
Thermal energy is the same as temperature.
Temperature describes how hot or cold something is.
The amount of heat energy in an object depends on three things. Which of these things does it not depend on?
its mass
its colour
its temperature
the material it is made from
Which of these materials is a good conductor of heat?
copper
air
water
glass
When one end of a piece of metal is heated:
the particles vibrate less and so the particles get closer together.
the particles vibrate more and the vibrations are passed from particle to particle.
the heat does not move through the metal.
the particles get bigger.
Solids are better heat conductors than liquids or gases because:
the particles are closer together in gases.
the particles are closer together in liquids.
the particles are closer together in solids.
the particles in a solid cannot move.
Why do solids expand when they are heated?
The particles get bigger.
The particles vibrate more and take up more space.
The particles vibrate more and get closer together.
The particles stick together.
Which substances can heat travel through by convection?
solids and liquids
solids and gases
only liquids
liquids and gases
What happens to a fluid when it is heated?
The particles get bigger.
The particles get smaller.
The particles move around more and take up more space.
The fluid gets denser.
Which drawing shows how the water will move in the beaker?
A
B
C
D
Why does the cold air near the ice lolly move downwards?
It is colder and denser than the air near it.
It is warmer and denser than the air near it.
It is colder and less
dense than the air near it.
It is warmer and less dense than the air near it.
When liquid water changes into steam it is:
condensing.
evaporating.
melting.
dissolving.
What happens to the temperature of the water in a beaker when it is boiling?
It goes up.
It stays the same.
It goes down.
It all depends on how hot the water was to start with.
When molten wax is freezing and turning back into a solid, what happens to the temperature of the wax?
It goes up.
It stays the same.
It goes down.
It all depends on how hot the wax was to start with.
Jo heats a beaker of water and draws a graph to show how its temperature changes. Which sentence explains the shape of the graph at point X?
The particles in the solid are breaking apart and absorbing energy.
The liquid is giving out the energy needed to break the bonds between particles.
The energy is breaking the bonds between the particles in the gas instead of making the gas hotter.
The energy is breaking the bonds between
the particles in the liquid instead of making the liquid hotter.
How does heat energy travel from the Sun to the Earth?
by radiation
by conduction
by convection
by radiation and conduction
Infrared radiation can travel through:
transparent objects only.
opaque objects only.
empty space only.
empty space and transparent objects.
Which statement does not describe a similarity between light and infrared radiation?
They can both be focused.
They are both visible.
They can both be reflected.
They can both travel through empty space.
Which material would reflect infrared radiation the best?
white and dull
black and shiny
white and shiny
grey and dull
The weaker the intermolecular forces of a substance the _____________ the boiling point
higher
lower
Cavity wall insulation stops air from moving. It reduces....
convection
conduction
Radiation
Evaporation
What does double glazing reduce?
Conduction
Convection
Both conduction and convection
radiation
Which graph line, A or B, would be the house with the greatest temperature rise?
(a)
Would the house with the greatest temperature rise be the house with the insulation?
(a)
Explain why the rod expands as it is heated.
Which scenario would result in NO flow of thermal energy?
When a hot and cold item are placed next to each other, touching.
When two items at the same temperature are placed next to each other, touching.
When a hot object is placed inside a cold room.
When a hot object is placed inside a room.
Amy wraps her doll in a blanket but can’t understand why it doesn’t warm up. Why is this?
The blanket she uses was probably a poor thermal insulator
The blanket she used was probably a good thermal conductor
The doll doesn’t have its own thermal energy to be kept in by the blanket
The doll lost thermal energy through other locations, like its head
Mr Bullins likes to sit next to a fire to keep warm. What type of Heat Transfer allows him to get warm when sitting beside the camp fire?
Conduction
Convection
Radiation
The sun warms the earth through which heat transfer process?
Conduction
Convection
Radiation
Boiling macaroni in water is an example of which type of heat transfer?
conduction
convection
radiation
Plastic, wood & cotton are all considered ______________________________ because
they do not transfer heat energy very well.
Conductor
Insulator
Magnetic Energy
Temperature
When heat moves from a warmer object to a colder object we label this as
___________________________________________.
Insulator
Heat Transfer
Conductor
Condensation
When heat passes through a material while the material itself stays in place (Touch), we know this type of
heat transfer is called __________________________________.
Conduction
Convection
Radiation
The transfer of heat through the movement of a gas or liquid is called
_______________________________________.
Conduction
Convection
Radiation
What makes the sparks rise above a fire?
Conduction
Convection
Radiation
The sun and a campfire are good examples of _________________________________, the
transfer of heat through electromagnetic rays.
Conduction
Convection
Radiation
Metals and glass are good _________________________________________, materials that
transfers heat and energy well.
Insulator
Conductor
Chemical Change
Heat Traders
Alek knew that the temperature at which a substance changes state from a liquid to a solid was called ___________________.
melting point
condensation
evaporation
freezing point
Caroline left her candles in a car on a hot summer day. Later they were liquid. They had reached the particular temperature when they changed state from a solid to a liquid also known as __________________________.
freezing point
melting point
evaporation
condensation
Chopping down a tree is an example of...
Chemical Change
Heat Transfer
Physical Change
Molecular Change
When Jason burned the logs in his fire he knew it was a change that causes a new kind of matter to
form with different properties, that he called a ____________________.
Chemical Change
Physical Change
Heat Transfer
Symbiosis
Scientists use this to measure the amount of heat in an object, or ____________________________.
Conductor
Insulator
Heat Absorbtion
Temperature
When Harry touched the stove it burned his hand. How did the heat move?
To his hot hand from the cold stove
From his cold hand to the hot stove
From the hot stove to his cold hand
To the hot stove from his cold hand
Sometimes animals find a cool patch of dirt to lie in. What type of heat exchange is this?
Conduction
Radiation
Convection
Heat is transferred through copper and iron by ..................... .
convection
radiation
conduction
all the above
Heat is transferred by convection through ....................... .
gases only
liquids only
gases and liquids
solids only
Electromagnetic waves with wavelengths that are longer than visible light; felt as heat:
UV radiation
Infrared radiation
Visible Light
None of these
What happens to warm air?
Rises because it is less dense.
Sinks because it is more dense.
Stays in place all the time
What type of electromagnetic wave matches with the colors of the rainbow?
UV radiation
Infrared radiation
Visible light
Gamma rays
The circulation of a fluid as it heats up and cools down causing warm air to rise and cool air to sink is called:
Conduction
Radiation
Scattering
Convection Current
These electromagnetic waves cause sunburns and skin cancer:
UV Radiation
Infrared Radiation
Electromagnetic Waves
Scattering
