Eureka! Molecules in Liquids

What maintains a solid's shape?

• Molecular decomposition

• External pressure

• Latticework pattern of molecules

• Random motion of molecules

Tags

NGSS.MS-PS1-1

What role does the force of attraction play in a solid?

• It helps maintain the latticework structure

• It repels molecules

• It keeps molecules in a fixed position

• It has no effect

What happens to molecules in a solid when heated?

• They move less

• They stop moving

• They vanish

• They move more rapidly

Tags

NGSS.MS-PS1-4

What causes a solid to melt?

• External cooling

• Change in molecular structure

• Decrease in molecular motion

• Increase in molecular motion

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What happens when a liquid cools down?

• It expands

• It turns back into a solid

• It explodes

• It turns into a gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4