How Air Conditioners Make Cities Hotter

What happens to the molecules of your forehead when they come into contact with the molecules of a cool washcloth?

• They slow down
• They change color
• They speed up
• They stop moving

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

What happens when two things of different temperature come into contact?

• The cooler one transfers energy to the warmer one
• Both transfer energy to each other
• The warmer one transfers energy to the cooler one
• No energy is transferred

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is the effect of running air conditioning on hot nights?

• It makes the temperature outside hotter
• It makes the temperature outside unpredictable
• It has no effect on the temperature outside
• It makes the temperature outside cooler

What is transferred when molecules collide with one another?

• Thermal energy
• Chemical energy
• Electrical energy
• Potential energy

Tags

NGSS.HS-PS3-4

What happens to the energy in molecules when they cool off?

• It gets transferred to molecules in the air outside
• It turns into a different type of energy
• It gets absorbed by the object around it
• It disappears

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens when the washcloth and your forehead reach the same temperature?

• Energy stops transferring away from your forehead
• Energy starts transferring away from your forehead
• The washcloth gets cooler
• Your forehead gets colder

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What happens to the energy in molecules when air is cooled?

• It gets converted to carbon dioxide
• It disappears
• It gets transferred to other molecules
• It gets converted to oxygen

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is transferred from one molecule to another when they collide?

• Potential energy
• Electrical energy
• Chemical energy
• Thermal energy

Tags

NGSS.MS-PS3-5

What causes differences in air temperature?

• The amount of carbon dioxide in the air
• The speed of air molecules
• The amount of oxygen in the air
• The color of the air

Tags

NGSS.MS-ESS2-6

What happens to the temperature of the washcloth as the molecules speed up?

• It gets cooler
• It becomes damp
• It gets warmer
• It stays the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4