Question
If there is an increase in temperature, then the _____________. (Select the best response to complete the statement)(1 point)
Responses
phase change of the material is going from water to solid
phase change of the material is going from water to solid
height of the material is decreasing
height of the material is decreasing
material's speed in decreasing at a constant rate
material's speed in decreasing at a constant rate
average kinetic energy of the particles of a material is increasing
average kinetic energy of the particles of a material is increasing
When a cup of hot chocolate is heated from 80 C to 90 C, which of the following is happening to the molecules of the liquid?(1 point)
Responses
The motion of the molecules will slow down.
The motion of the molecules will slow down.
The motion of the molecules will speed up.
The motion of the molecules will speed up.
The motion of the molecules will stay the same.
The motion of the molecules will stay the same.
The motion of the molecules will stop.
The thermal energy that flows from something at a higher temperature to something at a lower temperature. This is best described as ______.(1 point)
Responses
magic
magic
heat
heat
an electric field
an electric field
a magnetic force
In order to measure the transfer of thermal energy from one temperature body to another, what device would be most useful? (1 point)
Responses
Thermometer
Thermometer
Meter Stick
Meter Stick
Measuring Tape
Measuring Tape
Mass Balance
Whenever you directly touch a hot plate, you immediately feel the heat transfer to your hand the second you touch it. This is an example of heat transfer by what? (1 point)
Responses
Conduction
Conduction
Convection
Convection
Induction
Induction
Radiation
The heat from the Sun reaches the Earth through empty space. This must mean the heat transfer being used is radiation.(1 point)
Responses
True
True
False
An example of a conductor would be....(1 point)
Responses
a copper wire
a copper wire
a glass cup
a glass cup
air
air
rubber covering on a wire
When Ben holds an ice cube in his hand, which transfer of energy is taking place?(1 point)
Responses
Heat is flowing from his hand to the ice cube.
Heat is flowing from his hand to the ice cube.
Coldness is flowing from the ice cube to his hand.
Coldness is flowing from the ice cube to his hand.
No transfer of energy is taking place.
No transfer of energy is taking place.
Both heat and coldness are being transferred.
Which of the following is an example of thermal energy being transferred directly from one substance to another via conduction?(1 point)
Responses
perspiration evaporating from a person's skin
perspiration evaporating from a person's skin
the Sun's rays heating up a rock on the ground
the Sun's rays heating up a rock on the ground
water vapor escaping from a pot of boiling water
water vapor escaping from a pot of boiling water
a pan heating on the stove
a pan heating on the stove
Why are most oven mitts made out of cloth?(1 point)
Responses
Cloth is an insulator and cannot conduct heat very well.
Cloth is an insulator and cannot conduct heat very well.
Cloth is a conductor and blocks the heat.
Cloth is a conductor and blocks the heat.
Cloth is the only material available to make oven mitts.
Cloth is the only material available to make oven mitts.
Cloth cools a pan down as soon as it is touched.
When baking a cake, why are cake pans made out of metal?(1 point)
Responses
Metal conducts heat very well.
Metal conducts heat very well.
Metal makes the cake taste better.
Metal makes the cake taste better.
Another material would melt in the oven.
Another material would melt in the oven.
Another material would be too heavy to use.
A solid object at 30°C is placed inside a container of liquid at 60°C.
What most likely will be observed?
(1 point)
Responses
The temperature of the liquid will remain the same.
The temperature of the liquid will remain the same.
The temperature of the solid object will decrease.
The temperature of the solid object will decrease.
The temperature of the liquid will increase.
The temperature of the liquid will increase.
The temperature of the solid object will increase.
The picture shows a woman running.
What is the main type of energy conversion taking place?
(1 point)
Responses
Thermal energy is converted to mechanical energy as the energy from heat provides energy for movement.
Thermal energy is converted to mechanical energy as the energy from heat provides energy for movement.
Mechanical energy is converted to thermal energy as the energy from movement creates heat in the surrounding air.
Mechanical energy is converted to thermal energy as the energy from movement creates heat in the surrounding air.
Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.
Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.
Mechanical energy is converted to chemical energy as the movement from movement creates reactions in the surrounding air.
Mechanical energy is converted to chemical energy as the movement from movement creates reactions in the surrounding air.
Jeriah places two metal cubes in contact with each other. Energy and heat flow from Cube A to Cube B. What conclusion can be drawn regarding Cube A?(1 point)
Responses
It is larger than Cube B.
It is larger than Cube B.
It is cooler than Cube B.
It is cooler than Cube B.
It is smaller than Cube B.
It is smaller than Cube B.
It is warmer than Cube B.
A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?(1 point)
Responses
combustion
combustion
convection
convection
radiation
radiation
conduction
Question
Two objects are sitting on a table. Thermal energy is being transferred from one object to another. When does this transfer of thermal energy stop?(1 point)
Responses
when one object is much warmer than the other
when one object is much warmer than the other
when the two objects are different temperatures
when the two objects are different temperatures
when both objects are the same temperature
when both objects are the same temperature
when one object has completely cooled
Christopher and his mother went on a camping trip. His mother struck a match to light a lantern. Which forms of energy did the burning match give off?(1 point)
Responses
nuclear and solar
nuclear and solar
nuclear and light
nuclear and light
solar and thermal
solar and thermal
thermal and light
Which best describes energy changes in a system?(1 point)
Responses
Energy is conserved, but it can be created or destroyed.
Energy is conserved, but it can be created or destroyed.
Energy is conserved, and it cannot be created or destroyed.
Energy is conserved, and it cannot be created or destroyed.
Energy is not conserved, and it can be created or destroyed.
Energy is not conserved, and it can be created or destroyed.
Energy is not conserved, but it cannot be created or destroyed.
Energy is not conserved, but it cannot be created or destroyed.
Hannah heats a beaker of water using a burner, as shown in the diagram.
Which statement best describes the movement of water molecules in Hannah's beaker, represented by the arrows in the diagram?
(1 point)
Responses
Water molecules move faster near the bottom of the water where they are hotter, but then move slower as they cool and rise due to radiation.
Water molecules move faster near the bottom of the water where they are hotter, but then move slower as they cool and rise due to radiation.
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to convection.
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to convection.
Water molecules move faster near the bottom of the beaker where they are hotter, but then move slower as they cool and rise due to convection.
Water molecules move faster near the bottom of the beaker where they are hotter, but then move slower as they cool and rise due to convection.
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to conduction
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to conduction
A force acting on an object does NO work if:(1 point)
Responses
the force is greater than the force of friction
the force is greater than the force of friction
the force is not in the direction of the object's motion
the force is not in the direction of the object's motion
a machine is used to move the object
a machine is used to move the object
the object accelerates
Which characteristic remains the same regardless of a change in gravity?(1 point)
Responses
mass
mass
weight
weight
speed
speed
momentum
Which of the following has a higher kinetic energy?
A 1000 kg car rolling at a speed of 5 m/s across the floor or a 1500 kg hippo swimming at a speed of 2 m/s
(1 point)
Responses
the car
the car
the hippo
the hippo
their kinetic energies are equal
their kinetic energies are equal
not enough information to determine
How can you strengthen an electromagnet? **Choose all that apply.**
(4 points)
Responses
increase the number of wire coils
increase the number of wire coils
decrease the number of wire coils
decrease the number of wire coils
decrease the current
decrease the current
increase the current
Magnetic fields run from ______________________ to ______________________.(1 point)
Responses
south, north
south, north
north, south
north, south
east, west
east, west
west, east
Responses
phase change of the material is going from water to solid
phase change of the material is going from water to solid
height of the material is decreasing
height of the material is decreasing
material's speed in decreasing at a constant rate
material's speed in decreasing at a constant rate
average kinetic energy of the particles of a material is increasing
average kinetic energy of the particles of a material is increasing
When a cup of hot chocolate is heated from 80 C to 90 C, which of the following is happening to the molecules of the liquid?(1 point)
Responses
The motion of the molecules will slow down.
The motion of the molecules will slow down.
The motion of the molecules will speed up.
The motion of the molecules will speed up.
The motion of the molecules will stay the same.
The motion of the molecules will stay the same.
The motion of the molecules will stop.
The thermal energy that flows from something at a higher temperature to something at a lower temperature. This is best described as ______.(1 point)
Responses
magic
magic
heat
heat
an electric field
an electric field
a magnetic force
In order to measure the transfer of thermal energy from one temperature body to another, what device would be most useful? (1 point)
Responses
Thermometer
Thermometer
Meter Stick
Meter Stick
Measuring Tape
Measuring Tape
Mass Balance
Whenever you directly touch a hot plate, you immediately feel the heat transfer to your hand the second you touch it. This is an example of heat transfer by what? (1 point)
Responses
Conduction
Conduction
Convection
Convection
Induction
Induction
Radiation
The heat from the Sun reaches the Earth through empty space. This must mean the heat transfer being used is radiation.(1 point)
Responses
True
True
False
An example of a conductor would be....(1 point)
Responses
a copper wire
a copper wire
a glass cup
a glass cup
air
air
rubber covering on a wire
When Ben holds an ice cube in his hand, which transfer of energy is taking place?(1 point)
Responses
Heat is flowing from his hand to the ice cube.
Heat is flowing from his hand to the ice cube.
Coldness is flowing from the ice cube to his hand.
Coldness is flowing from the ice cube to his hand.
No transfer of energy is taking place.
No transfer of energy is taking place.
Both heat and coldness are being transferred.
Which of the following is an example of thermal energy being transferred directly from one substance to another via conduction?(1 point)
Responses
perspiration evaporating from a person's skin
perspiration evaporating from a person's skin
the Sun's rays heating up a rock on the ground
the Sun's rays heating up a rock on the ground
water vapor escaping from a pot of boiling water
water vapor escaping from a pot of boiling water
a pan heating on the stove
a pan heating on the stove
Why are most oven mitts made out of cloth?(1 point)
Responses
Cloth is an insulator and cannot conduct heat very well.
Cloth is an insulator and cannot conduct heat very well.
Cloth is a conductor and blocks the heat.
Cloth is a conductor and blocks the heat.
Cloth is the only material available to make oven mitts.
Cloth is the only material available to make oven mitts.
Cloth cools a pan down as soon as it is touched.
When baking a cake, why are cake pans made out of metal?(1 point)
Responses
Metal conducts heat very well.
Metal conducts heat very well.
Metal makes the cake taste better.
Metal makes the cake taste better.
Another material would melt in the oven.
Another material would melt in the oven.
Another material would be too heavy to use.
A solid object at 30°C is placed inside a container of liquid at 60°C.
What most likely will be observed?
(1 point)
Responses
The temperature of the liquid will remain the same.
The temperature of the liquid will remain the same.
The temperature of the solid object will decrease.
The temperature of the solid object will decrease.
The temperature of the liquid will increase.
The temperature of the liquid will increase.
The temperature of the solid object will increase.
The picture shows a woman running.
What is the main type of energy conversion taking place?
(1 point)
Responses
Thermal energy is converted to mechanical energy as the energy from heat provides energy for movement.
Thermal energy is converted to mechanical energy as the energy from heat provides energy for movement.
Mechanical energy is converted to thermal energy as the energy from movement creates heat in the surrounding air.
Mechanical energy is converted to thermal energy as the energy from movement creates heat in the surrounding air.
Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.
Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.
Mechanical energy is converted to chemical energy as the movement from movement creates reactions in the surrounding air.
Mechanical energy is converted to chemical energy as the movement from movement creates reactions in the surrounding air.
Jeriah places two metal cubes in contact with each other. Energy and heat flow from Cube A to Cube B. What conclusion can be drawn regarding Cube A?(1 point)
Responses
It is larger than Cube B.
It is larger than Cube B.
It is cooler than Cube B.
It is cooler than Cube B.
It is smaller than Cube B.
It is smaller than Cube B.
It is warmer than Cube B.
A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot?(1 point)
Responses
combustion
combustion
convection
convection
radiation
radiation
conduction
Question
Two objects are sitting on a table. Thermal energy is being transferred from one object to another. When does this transfer of thermal energy stop?(1 point)
Responses
when one object is much warmer than the other
when one object is much warmer than the other
when the two objects are different temperatures
when the two objects are different temperatures
when both objects are the same temperature
when both objects are the same temperature
when one object has completely cooled
Christopher and his mother went on a camping trip. His mother struck a match to light a lantern. Which forms of energy did the burning match give off?(1 point)
Responses
nuclear and solar
nuclear and solar
nuclear and light
nuclear and light
solar and thermal
solar and thermal
thermal and light
Which best describes energy changes in a system?(1 point)
Responses
Energy is conserved, but it can be created or destroyed.
Energy is conserved, but it can be created or destroyed.
Energy is conserved, and it cannot be created or destroyed.
Energy is conserved, and it cannot be created or destroyed.
Energy is not conserved, and it can be created or destroyed.
Energy is not conserved, and it can be created or destroyed.
Energy is not conserved, but it cannot be created or destroyed.
Energy is not conserved, but it cannot be created or destroyed.
Hannah heats a beaker of water using a burner, as shown in the diagram.
Which statement best describes the movement of water molecules in Hannah's beaker, represented by the arrows in the diagram?
(1 point)
Responses
Water molecules move faster near the bottom of the water where they are hotter, but then move slower as they cool and rise due to radiation.
Water molecules move faster near the bottom of the water where they are hotter, but then move slower as they cool and rise due to radiation.
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to convection.
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to convection.
Water molecules move faster near the bottom of the beaker where they are hotter, but then move slower as they cool and rise due to convection.
Water molecules move faster near the bottom of the beaker where they are hotter, but then move slower as they cool and rise due to convection.
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to conduction
Water molecules move slower near the bottom of the beaker where they are hotter, but then move faster as they cool and rise due to conduction
A force acting on an object does NO work if:(1 point)
Responses
the force is greater than the force of friction
the force is greater than the force of friction
the force is not in the direction of the object's motion
the force is not in the direction of the object's motion
a machine is used to move the object
a machine is used to move the object
the object accelerates
Which characteristic remains the same regardless of a change in gravity?(1 point)
Responses
mass
mass
weight
weight
speed
speed
momentum
Which of the following has a higher kinetic energy?
A 1000 kg car rolling at a speed of 5 m/s across the floor or a 1500 kg hippo swimming at a speed of 2 m/s
(1 point)
Responses
the car
the car
the hippo
the hippo
their kinetic energies are equal
their kinetic energies are equal
not enough information to determine
How can you strengthen an electromagnet? **Choose all that apply.**
(4 points)
Responses
increase the number of wire coils
increase the number of wire coils
decrease the number of wire coils
decrease the number of wire coils
decrease the current
decrease the current
increase the current
Magnetic fields run from ______________________ to ______________________.(1 point)
Responses
south, north
south, north
north, south
north, south
east, west
east, west
west, east
Answers
Answered by
GPT-4o mini
Here are the best responses to complete the statements and questions you provided:
1. If there is an increase in temperature, then the **average kinetic energy of the particles of a material is increasing.**
2. When a cup of hot chocolate is heated from 80°C to 90°C, which of the following is happening to the molecules of the liquid? **The motion of the molecules will speed up.**
3. The thermal energy that flows from something at a higher temperature to something at a lower temperature. This is best described as **heat.**
4. In order to measure the transfer of thermal energy from one temperature body to another, what device would be most useful? **Thermometer.**
5. Whenever you directly touch a hot plate, you immediately feel the heat transfer to your hand the second you touch it. This is an example of heat transfer by what? **Conduction.**
6. The heat from the Sun reaches the Earth through empty space. This must mean the heat transfer being used is radiation. **True.**
7. An example of a conductor would be.... **a copper wire.**
8. When Ben holds an ice cube in his hand, which transfer of energy is taking place? **Heat is flowing from his hand to the ice cube.**
9. Which of the following is an example of thermal energy being transferred directly from one substance to another via conduction? **a pan heating on the stove.**
10. Why are most oven mitts made out of cloth? **Cloth is an insulator and cannot conduct heat very well.**
11. When baking a cake, why are cake pans made out of metal? **Metal conducts heat very well.**
12. A solid object at 30°C is placed inside a container of liquid at 60°C. What most likely will be observed? **The temperature of the solid object will increase.**
13. What is the main type of energy conversion taking place when the woman is running? **Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.**
14. Energy and heat flow from Cube A to Cube B. What conclusion can be drawn regarding Cube A? **It is warmer than Cube B.**
15. A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot? **Conduction.**
16. When does the transfer of thermal energy stop? **when both objects are the same temperature.**
17. Which forms of energy did the burning match give off? **thermal and light.**
18. Which best describes energy changes in a system? **Energy is conserved, and it cannot be created or destroyed.**
19. Which statement best describes the movement of water molecules in Hannah's beaker? **Water molecules move faster near the bottom of the beaker where they are hotter, but then move slower as they cool and rise due to convection.**
20. A force acting on an object does NO work if: **the force is not in the direction of the object's motion.**
21. Which characteristic remains the same regardless of a change in gravity? **mass.**
22. Which of the following has a higher kinetic energy? **the car.** (Kinetic Energy = 1/2 mv^2; calculation shows the car has higher KE.)
23. How can you strengthen an electromagnet? **increase the number of wire coils** and **increase the current.**
24. Magnetic fields run from **north** to **south.**
Feel free to ask for clarifications or further information on any of the responses!
1. If there is an increase in temperature, then the **average kinetic energy of the particles of a material is increasing.**
2. When a cup of hot chocolate is heated from 80°C to 90°C, which of the following is happening to the molecules of the liquid? **The motion of the molecules will speed up.**
3. The thermal energy that flows from something at a higher temperature to something at a lower temperature. This is best described as **heat.**
4. In order to measure the transfer of thermal energy from one temperature body to another, what device would be most useful? **Thermometer.**
5. Whenever you directly touch a hot plate, you immediately feel the heat transfer to your hand the second you touch it. This is an example of heat transfer by what? **Conduction.**
6. The heat from the Sun reaches the Earth through empty space. This must mean the heat transfer being used is radiation. **True.**
7. An example of a conductor would be.... **a copper wire.**
8. When Ben holds an ice cube in his hand, which transfer of energy is taking place? **Heat is flowing from his hand to the ice cube.**
9. Which of the following is an example of thermal energy being transferred directly from one substance to another via conduction? **a pan heating on the stove.**
10. Why are most oven mitts made out of cloth? **Cloth is an insulator and cannot conduct heat very well.**
11. When baking a cake, why are cake pans made out of metal? **Metal conducts heat very well.**
12. A solid object at 30°C is placed inside a container of liquid at 60°C. What most likely will be observed? **The temperature of the solid object will increase.**
13. What is the main type of energy conversion taking place when the woman is running? **Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.**
14. Energy and heat flow from Cube A to Cube B. What conclusion can be drawn regarding Cube A? **It is warmer than Cube B.**
15. A pot is heated on a stove. Which process causes the metal handle of the pot to also become hot? **Conduction.**
16. When does the transfer of thermal energy stop? **when both objects are the same temperature.**
17. Which forms of energy did the burning match give off? **thermal and light.**
18. Which best describes energy changes in a system? **Energy is conserved, and it cannot be created or destroyed.**
19. Which statement best describes the movement of water molecules in Hannah's beaker? **Water molecules move faster near the bottom of the beaker where they are hotter, but then move slower as they cool and rise due to convection.**
20. A force acting on an object does NO work if: **the force is not in the direction of the object's motion.**
21. Which characteristic remains the same regardless of a change in gravity? **mass.**
22. Which of the following has a higher kinetic energy? **the car.** (Kinetic Energy = 1/2 mv^2; calculation shows the car has higher KE.)
23. How can you strengthen an electromagnet? **increase the number of wire coils** and **increase the current.**
24. Magnetic fields run from **north** to **south.**
Feel free to ask for clarifications or further information on any of the responses!
There are no human answers yet. A form for humans to post answers is coming very soon!