Kinetic Theory and Changes in Temperature

Molecules form when______.

• atoms bond together
• molecules dissolve in water
• atoms split apart
• molecules evaporate into gas

Tags

NGSS.MS-PS1-1

In a chemical change, atoms rearrange to form _____.

• no change at all
• the same substances
• different elements
• new substances

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Changes in heat often cause ______.

• physical changes
• chemical changes
• biological changes
• electrical changes

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Changes in state of matter are often caused by changes in ______.

• heat

• volume

• size

• color

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

A state of matter with definite shape and volume is _____.

• gas
• liquid
• solid
• plasma

The lowest density state of matter is ______.

• solid
• gas
• liquid
• plasma

The state of matter that maintains its volume but adapts to the shape of the container is ______.

• plasma
• solid
• gas
• liquid

Which of the following changes in state of matter occurs from an increase in heat?

• Melting and evaporation
• Solidification and crystallization
• Sublimation and deposition
• Condensation and freezing

Tags

NGSS.MS-PS1-4

Which of the following changes in state of matter occurs from a decrease in heat?

• Evaporation
• Melting
• Condensation or Freezing
• Sublimation

Tags

NGSS.MS-PS1-4

Which of the following is true of kinetic theory?

• Kinetic theory states that solids are made of stationary particles.
• Kinetic theory applies only to liquids and not to gases.
• Kinetic theory describes gases as composed of particles in constant motion.
• Kinetic theory suggests that gas particles are always at rest.

Tags

NGSS.MS-PS3-5