Worksheets3.2. Heat and Temperature
Total questions: 47
Worksheet time: 26mins
During a science experiment, Nam Khanh observed how different objects heat up when placed in the sun. He wondered, what is thermal energy?
The energy of motion
The energy of light
The energy of sound
The energy of heat
Phuong Anh 1 is conducting an experiment to understand how thermal energy is measured. How is thermal energy measured?
In meters
In kilograms
In joules
In degrees Celsius
What happens to the particles in a cup of hot chocolate that Thao Linh is holding when its thermal energy increases?
They move slower
They vibrate faster
They become smaller
They disappear
Thu Trang is curious about the concept of heat in his science class. What is heat?
The total thermal energy of the particles in an object
The energy of motion
The energy of light
The energy of sound
In a science experiment, Minh Hieu is heating a metal block. What determines the temperature of the metal block?
The volume of the metal block
The mass of the metal block
The number of particles in the metal block
The average kinetic energy of the particles in the metal block
Jacob and Zian have two containers filled with water. Both containers are at the same temperature, but one container is much larger than the other. Which container has more thermal energy?
The container with the larger volume
The container with the smaller volume
They have the same thermal energy
It depends on the mass of the containers
If two objects have the same volume but different temperatures, the object with the (a) has more thermal energy. For example, if Khoi has a cup of hot coffee and Hai has a cup of cold water, which one has more thermal energy?
They have the same thermal energy
Khanh Dan is observing a pot of water on the stove. What is the relationship between the thermal energy of the water and the speed of the water molecules?
As thermal energy increases, the speed of the particles increases
As thermal energy increases, the speed of the particles decreases
There is no relationship between thermal energy and the speed of the particles
The relationship depends on the mass of the object
Quynh Chi and Gia Linh are holding two metal rods at different temperatures. Can thermal energy be transferred between the rods?
Yes
No
Only under certain conditions
It depends on the temperature of the objects
Minh Nguye is curious: Can thermal energy be stored in an object?
Yes
No
Only temporarily
It depends on the temperature of the object
What happens to the thermal energy stored in a cup of coffee that Hieu left on the table over time?
It remains constant
It increases
It decreases
It depends on the temperature of the coffee
During a science experiment, Ngoc Minh measured the thermal energy of a substance. What is the unit of measurement for thermal energy?
Joules
Watts
Kelvin
Newtons
Bao and Hieu each have a pot of water on the stove. If both pots are at the same temperature but one pot has more water than the other, which pot has more thermal energy?
The pot with the larger amount of water
The pot with the smaller amount of water
They have the same thermal energy
It depends on the temperature of the water
Mai Khoi and Phuong Linh are conducting an experiment. If two objects have the same mass but different temperatures, the object with the higher temperature has more thermal energy.
(a)
They have the same thermal energy
Phuong Anh 2 is conducting an experiment to understand the relationship between temperature and the average kinetic energy of the particles in a substance. He finds that the relationship is (a) .
Khanh is conducting an experiment to understand temperature. What two things does temperature provide information about?
The direction of thermal energy transfer and the average energy of particles
The amount of thermal energy and the average energy of particles
The direction of thermal energy transfer and the mass of the object
The amount of thermal energy and the volume of the object
If Tuan Khoi's ice cream has a lower temperature than its surroundings, (a) will happen.
Thermal energy will transfer from t
There will be no transfer of therma
The temperature of the object will
How does the temperature difference between two objects, like Phuong's hot cup of coffee and the cold air in the room, affect the rate of thermal energy transfer?
The larger the temperature difference, the slower the thermal energy transfer
The larger the temperature difference, the faster the thermal energy transfer
Temperature difference has no effect on thermal energy transfer
It depends on the mass of the objects
Hieu is curious about heat and asks, 'What does heat tell us about?'
The average energy of the particles in an object
The total energy of the particles in an object
The direction of thermal energy transfer
The mass of the object
Hai is curious about what temperature tells us regarding the objects around him.
The average energy of the particles in an object
The total energy of the particles in an object
The direction of thermal energy transfer
The mass of the object
Phuong and William each have a container filled with water. If both containers are at the same temperature but one container is larger than the other, what can we conclude about the average energy of the water particles in each container?
The container with the larger volume has higher average particle energy
The container with the smaller volume has higher average particle energy
They have the same average particle energy
It depends on the mass of the water in the containers
Phuoc and Trang each have a pot of water on the stove. If both pots are at the same temperature but one pot has more water than the other, what can we conclude about the total thermal energy of the water in the pots?
The pot with more water has more total thermal energy
The pot with less water has more total thermal energy
They have the same total thermal energy
It depends on the temperature difference
Khanh is heating a pot of water on the stove. If the temperature of the water increases, what happens to the average energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
During a chilly winter day, Linh noticed that the temperature of her hot chocolate decreased. What happens to the average energy of the particles in the hot chocolate?
It increases
It decreases
It remains the same
It depends on the mass of the object
In a science experiment, Phuong is trying to determine if temperature can be used to compare the energy of different particles. What do you think?
Phuong is observing a metal ball that has been taken out of a freezer. If the temperature of the ball decreases, what happens to the average energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
Gia is conducting an experiment to see if temperature can be used to compare the particle energy of different materials like metal and wood. Can temperature be used to compare the particle energy of objects made from different materials?
Yes
No
Only if the objects have the same mass
Only if the objects have the same volume
Trang and Linh each have a metal block at the same temperature. Trang's block is made of copper, while Linh's block is made of aluminum. What can we conclude about the average energy of the particles in their blocks?
The block with the higher density has higher average particle energy
The block with the lower density has higher average particle energy
They have the same average particle energy
It depends on the mass of the blocks
Thu and Phuong each have a cup of water at the same temperature, but Thu's cup is larger than Phuong's. What can we conclude about the average energy of the water particles in their cups?
The cup with the larger amount of water has higher average particle energy
The cup with the smaller amount of water has higher average particle energy
They have the same average particle energy
It depends on the temperature difference
Anh and Linh each have a container filled with water. If both containers have the same temperature and the same mass of water, what can we conclude about the average energy of the water particles in their containers?
The container with the larger volume has higher average particle energy
The container with the smaller volume has higher average particle energy
They have the same average particle energy
It depends on the materials of the containers
Linh is heating a pot of water on the stove. If the temperature of the water increases, what happens to the total thermal energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
Hieu is conducting an experiment where he cools down a metal ball. If the temperature of the metal ball decreases, what happens to the total thermal energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
Linh made a cup of hot chocolate. What happens to the particles in the hot chocolate as it cools down?
They move faster
They move slower
They stop moving
They change size
Thu is studying the behavior of particles at different temperatures. According to Kelvin's prediction, what happens to particles at absolute zero?
They move faster
They move slower
They stop moving
They change size
During a science class, Linh asked, "What is the value of absolute zero in degrees Celsius?"
-273°C
0°C
273°C
373°C
Phuong asked, is it possible to reach absolute zero in reality?
Yes
No
Only in theory
It depends on the object
Thao is trying to understand the difference between heat and temperature. Can you help her?
Heat is the total thermal energy, while temperature is the average energy of the particles.
Heat is the average energy of the particles, while temperature is the total thermal energy.
Heat and temperature are the same thing.
There is no difference between heat and temperature.
Phuoc and Phuong each have a cup of water that is at the same temperature. What can we conclude about the average energy of the water molecules in their cups?
They have different average energies
They have the same average energy
It depends on the mass of the water in the cups
It depends on the volume of the cups
Oliver and Abigail each have a cup of water. Both cups contain the same amount of water, but Oliver's cup is at a higher temperature than Abigail's. If both cups have the same amount of thermal energy, what can we conclude about the water particles in each cup?
They have the same average energy
They have different average energies
The cup with the higher temperature has more particles
The cup with the lower temperature has more particles
Phuong is heating a metal rod. If the rod's temperature increases, what happens to the average energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
Phuong is conducting an experiment where she cools down a metal ball. If the temperature of the metal ball decreases, what happens to the total thermal energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
In a physics class, Hai asked, 'Can an object have a temperature below absolute zero?'
Yes
No
Only in theory
It depends on the object
Gia is conducting an experiment to understand the relationship between the temperature of a cup of water and the average kinetic energy of the water molecules. What can she conclude?
Higher temperature means higher average kinetic energy
Higher temperature means lower average kinetic energy
There is no relationship between temperature and average kinetic energy
The relationship depends on the mass of the object
Thu and Linh each have a pot of water at the same temperature, but Thu's pot is larger than Linh's. What can we conclude about the total thermal energy of the water in their pots?
The pot with the larger amount of water has more total thermal energy
The pot with the smaller amount of water has more total thermal energy
They have the same total thermal energy
It depends on the temperature difference
Phuong and Gia each have a container filled with water. If both containers are at the same temperature but one container is larger than the other, what can we conclude about the total thermal energy of the water particles in each container?
The container with the larger volume has more total thermal energy
The container with the smaller volume has more total thermal energy
They have the same total thermal energy
It depends on the mass of the water in the containers
Phuong is heating a metal rod. If the rod's temperature increases, what happens to the total thermal energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
Phuoc is conducting an experiment where he cools down a metal ball. If the temperature of the metal ball decreases, what happens to the total thermal energy of its particles?
It increases
It decreases
It remains the same
It depends on the mass of the object
