Physical Behavior of Matter

Which line segment represents an increase in potential energy and no change in average kinetic energy?

• line AB
• line BC
• line CD

Tags

NGSS.HS-PS3-2

In which process does a solid change directly into a vapor?

• condensation
• sublimation
• deposition
• solidification

Which term is defined as a measure of the average kinetic energy of the particles in a sample?

• pressure
• thermal energy
• chemical energy
• temperature

Which sample has particles with the lowest average kinetic energy?

• 1.0 g of I₂ at 50^oC
• 2.0 g of I₂ at 30.^oC
•  7.0 g of I₂ at 40.^oC
•  9.0 g of I₂ at 20.^oC

Tags

NGSS.HS-PS3-2

The temperature at which the solid and liquid phases of matter exist in equilibrium is called its

• melting point
• boiling point
• heat of fusion
• heat of vaporization

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which of the following is a quality that only gasses display?

• Spread out to fill all available space
• Take the shape of their container
• Can't be compressed
• All of these

What happens to the average kinetic energy of matter when it is heated?

• It increases
• It decreases 
• It doesn't change
• It cannot be determined

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In which state of matter are the particles only vibrating?

• Gas
• Liquid
• Solid
• Plasma

Tags

NGSS.MS-PS1-4

The phase change going from a liquid to a solid is called...

• Melting
• Evaporation
• Sublimation
• Freezing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

During a phase change, the temperature...

• Increases
• Decreases
• Does nothing

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4