The kinetic energy of particles would be increasing when metal is heated from room temperature to 200°C. Heating increases the thermal energy of the particles, which in turn increases their kinetic energy as they move faster.
In which case would the kinetic energy of particles be increasing? (1 point)
Responses
Metal is melted at 1,300°C.
Metal is melted at 1,300°C.
Metal is heated from room temperature to 200°C.
Metal is heated from room temperature to 200°C.
Metal is at room temperature, 37°C.
Metal is at room temperature, 37°C.
Metal is cooled at 1,300°C.
9 answers
Water boils at 100°C and turns into steam. Which similarities or differences are there between water at 100°C and steam at 100°C? (1 point)
Responses
The particles will have more space between them as steam, but they will be moving at the same speed in both states.
The particles will have more space between them as steam, but they will be moving at the same speed in both states.
The particles will have more space between them as a liquid, but they will be moving faster as steam.
The particles will have more space between them as a liquid, but they will be moving faster as steam.
The particles will have more space between them as a liquid, but they will be moving at the same speed in both states.
The particles will have more space between them as a liquid, but they will be moving at the same speed in both states.
The particles will have more space between them and will be moving at higher speeds as steam.
Responses
The particles will have more space between them as steam, but they will be moving at the same speed in both states.
The particles will have more space between them as steam, but they will be moving at the same speed in both states.
The particles will have more space between them as a liquid, but they will be moving faster as steam.
The particles will have more space between them as a liquid, but they will be moving faster as steam.
The particles will have more space between them as a liquid, but they will be moving at the same speed in both states.
The particles will have more space between them as a liquid, but they will be moving at the same speed in both states.
The particles will have more space between them and will be moving at higher speeds as steam.
The correct response is: The particles will have more space between them and will be moving at higher speeds as steam.
In the steam state, water molecules have more space between them compared to when they are in the liquid state, and they also move at higher speeds due to increased kinetic energy.
An ice cube tray full of water is put into a freezer. Which energy change occurs in the particles in the water as it undergoes a phase change from a liquid to a solid?(1 point)
Responses
The potential energy decreases due to the looser arrangement of the particles.
The potential energy decreases due to the looser arrangement of the particles.
The potential energy increases due to the looser arrangement of the particles.
The potential energy increases due to the looser arrangement of the particles.
The potential energy increases due to the tighter arrangement of the particles.
The potential energy increases due to the tighter arrangement of the particles.
The potential energy decreases due to the tighter arrangement of the particles.
Responses
The potential energy decreases due to the looser arrangement of the particles.
The potential energy decreases due to the looser arrangement of the particles.
The potential energy increases due to the looser arrangement of the particles.
The potential energy increases due to the looser arrangement of the particles.
The potential energy increases due to the tighter arrangement of the particles.
The potential energy increases due to the tighter arrangement of the particles.
The potential energy decreases due to the tighter arrangement of the particles.
The correct response is: The potential energy decreases due to the tighter arrangement of the particles.
As water freezes and transitions from a liquid to a solid (ice), the particles become more tightly arranged in a fixed structure, which results in a decrease in potential energy.
An increase in thermal energy leads to _____(1 point)
Responses
an increase in heat and a decrease in kinetic energy until a phase change occurs.
an increase in heat and a decrease in kinetic energy until a phase change occurs.
a decrease in heat and an increase in kinetic energy until a phase change occurs.
a decrease in heat and an increase in kinetic energy until a phase change occurs.
a decrease in heat and a decrease in kinetic energy until a phase change occurs.
a decrease in heat and a decrease in kinetic energy until a phase change occurs.
an increase in heat and an increase in kinetic energy until a phase change occurs.
Responses
an increase in heat and a decrease in kinetic energy until a phase change occurs.
an increase in heat and a decrease in kinetic energy until a phase change occurs.
a decrease in heat and an increase in kinetic energy until a phase change occurs.
a decrease in heat and an increase in kinetic energy until a phase change occurs.
a decrease in heat and a decrease in kinetic energy until a phase change occurs.
a decrease in heat and a decrease in kinetic energy until a phase change occurs.
an increase in heat and an increase in kinetic energy until a phase change occurs.
The correct response is: an increase in heat and an increase in kinetic energy until a phase change occurs.
As thermal energy increases, the temperature of a substance rises, leading to an increase in the kinetic energy of its particles.
A student wants to collect data during an experiment about the transfer of kinetic energy in a sample of water and ice. Which tool will help her collect the necessary data?(1 point)
Responses
graduated cylinder
graduated cylinder
thermometer
thermometer
meter stick
meter stick
balance
Responses
graduated cylinder
graduated cylinder
thermometer
thermometer
meter stick
meter stick
balance
The correct tool for collecting data related to the transfer of kinetic energy in a sample of water and ice would be a thermometer.
A thermometer measures temperature, which is directly related to the kinetic energy of the particles in the substances being studied.