Exploring Heating and Cooling Curves

What is represented on the y-axis of the heating and cooling graph?

• Pressure in Pascals

• Time in seconds

• Temperature in Celsius

• Volume in liters

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

At what temperature does water begin to melt?

• 100 degrees Celsius

• 50 degrees Celsius

• 25 degrees Celsius

• 0 degrees Celsius

Tags

NGSS.MS-PS1-4

What happens to the temperature during the phase change from solid to liquid?

• It fluctuates

• It remains constant

• It decreases

• It increases rapidly

Tags

NGSS.MS-PS1-4

What is the phase change called when a liquid turns into a gas?

• Freezing

• Condensation

• Boiling

• Sublimation

Tags

NGSS.MS-PS1-4

How can you determine the boiling point of a substance on the graph?

• By checking the horizontal line on the y-axis

• By observing the slope of the line

• By measuring the area under the curve

• By looking at the x-axis

What happens to kinetic energy during the phase change from solid to liquid?

• It fluctuates

• It remains constant

• It decreases

• It increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

During heating, what happens to potential energy when the temperature is rising?

• It decreases

• It fluctuates

• It remains constant

• It increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens to kinetic energy during the cooling phase change from gas to liquid?

• It decreases

• It fluctuates

• It remains constant

• It increases

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

During the cooling curve, what happens to potential energy when the substance is transitioning from gas to liquid?

• It increases

• It fluctuates

• It decreases

• It remains constant

Tags

NGSS.MS-PS1-4

What is the relationship between kinetic and potential energy during the cooling process?

• Both increase

• Kinetic energy decreases while potential energy remains constant

• Kinetic energy remains constant while potential energy decreases

• Both decrease

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5