Lesson 2.1

has a definite shape and a definite volume

• gas

• liquid

• solid

• pressure

the force pushing on a surface divided by the area of the surface

• pressure

• surface tension

• fluid

• gas

has definite volume but no shape of its own

• solid

• gas

• fluid

• liquid

Tags

NGSS.MS-PS1-4

meaning a substance that flows

• liquid

• fluid

• gas

• surface tension

Tags

NGSS.MS-PS1-4

has neither a definite shape nor definite volume

• gas

• solid

• liquid

• fluid

Tags

NGSS.MS-PS1-4

an inward force or pull among the molecules in a liquid that brings the molecules on the surface closer together

• solid

• fluid

• pressure

• surface tension

What substance is this showing?

• Liquid

• Solid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What substance is this showing?

• Liquid

• Solid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4

Atoms that are bunched close together and kind of vibrate in place

• Solids

• Liquids

• Gases

• Plasmas

Tags

NGSS.MS-PS1-1

What are the three states of matter?

• Red, blue, and green

• Happy, sad, and angry

• Solid, liquid, and gas

• Hot, warm, and cold