4.1 Thermal Equilibrium

The condition where two substances in physical contact with each other exchange no heat energy. They are said to be the same temperature.

• Thermal Energy

• Cooler to Warmer

• Energy Transfer

• Thermal Equilibrium

heat always travels from _____ to ______ objects

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

Tags

NGSS.MS-PS1-4

Two objects have different temperatures. Object A has a temperature of 42 degrees and Object B is 37 degrees. Which direction should the energy transfer between Objects A and B?

• From Object A to Object B

• From Object B to Object A

• Energy will not transfer

• Energy will transfer both directions

Tags

NGSS.MS-PS1-4

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

You leave your cold spoon in a hot bowl of oatmeal. What happens after an hour?

• The temperature of both the oatmeal and the spoon stay the same

• The spoon and the oatmeal become the same temperature

• Only the temperature of the oatmeal will change

• Only the temperature of the spoon will change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

You are walking to school and find a metal earring in the snow. You take the cold earring inside and place it on your desk. What will happen after a while?

• The earring will be colder than the desk

• The earring and the desk will be colder than room temperature

• The desk will be colder than room temperature

• Both the earring and the desk will be at room temperature

Tags

NGSS.MS-PS1-4

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

What are some examples of heat transfer?

• conduction
• convection
• radiation
• all of the above

Tags

NGSS.MS-PS1-4

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

When holding a cup of ice water, your warm hand becomes cold. How does the heat transfer?

• From the cold cup to your hand
• From the cold cup to the warm air
• From the ice to your hand
• From your warm hand to the cold cup.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5