Thermal Energy Unit Test
8 of 108 of 10 Items
Question
A teacher opens a window on a cold day. Which statement explains why the room starts to feel cooler? (1 point)
Responses
Air moves from the areas of higher temperature to areas of lower temperature.
Air moves from the areas of higher temperature to areas of lower temperature.
Cold air is moving into the room from outside.
Cold air is moving into the room from outside.
The kinetic energy of the air molecules outside is higher than the kinetic energy of the air molecules inside.
The kinetic energy of the air molecules outside is higher than the kinetic energy of the air molecules inside.
The density of the air is lower on the inside than on the outside.
3 answers
The correct answer is: Cold air is moving into the room from outside.
A student takes the temperature of a bottle of liquid water and a tub filled with ice. The student then places the bottle of liquid water into the tub of ice. After 15 minutes, which of the follow best describes what happens to the temperature of each?
(1 point)
Responses
Both the bottle and the ice stay the same temperature
Both the bottle and the ice stay the same temperature
The temperature of both the ice and water decrease.
The temperature of both the ice and water decrease.
The temperature of the ice increases, while the temperature of the water decreases
The temperature of the ice increases, while the temperature of the water decreases
The temperature of the ice decreases, while the temperature of the water increases
(1 point)
Responses
Both the bottle and the ice stay the same temperature
Both the bottle and the ice stay the same temperature
The temperature of both the ice and water decrease.
The temperature of both the ice and water decrease.
The temperature of the ice increases, while the temperature of the water decreases
The temperature of the ice increases, while the temperature of the water decreases
The temperature of the ice decreases, while the temperature of the water increases
The correct answer is: The temperature of the ice decreases, while the temperature of the water increases.