Thermal Equilibrium

Two objects with different temperature in thermal contact will reach thermal equilibrium when.....

• both object becomes hotter

• both objects become colder

• both object reach the same final temperature

• net heat transfer other than zero

Tags

NGSS.MS-PS1-4

At thermal equilibrium, heat absorbed by cool object is________ to the heat released by the heat object

• equal

• larger

• smaller

• not equal

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

After some time, the metal spoon on the oatmeal

• have the same initial temperature as the oatmeal

• have the same final temperature as the oatmeal

• hotter than the oatmeal

• colder than the oatmeal

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens to the temperature if I add ice cubes to a glass of soda

• The heat transfers from the coke to the ice

• The heat transfers from the ice to the coke

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

After taking a hot shower, James steps out of the shower onto the tile floor. The tile felt cold to his feet. Which explanation below best describes James' experience?

• Heat from his feet is transferred to the tile floor
• Heat from the tile floor is transferred to his feet
• Cold from the tile floor is transferred to his feet
• Cold from his feet is transferred to the tile floor

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Johnny put ice in his water. Which idea do you think best explains why the water got cold?

• The coldness from the ice moved into the water

• The coldness and the heat moved back and forth until the water cooled off.

• The heat from the water moved into the ice.

• The water does not cool of

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which of the following is NOT true about heat? 

• Heat moves from hot to cold
• Heat is a form of energy
• Heat cannot be transferred
• Heat makes molecules speed up 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

heat always travels from _____ to ______ objects

• hot to cold
• cold to hot
• cold to cold
• hot to hot

Tags

NGSS.MS-PS1-4