Water: Investigation 2

What do it mean when something expands?

• gets smaller

• flows down a hill

• gets bigger, takes up more space

• freezes

Tags

NGSS.MS-PS1-4

Water _________ when it is heated

• expands

• contracts

Tags

NGSS.MS-PS1-4

Water ___________ when it freezes.

• contracts

• expands

What does it mean when something contracts?

• it grows taller

• it melts

• it gets smaller, takes up less space

• it gets bigger

Tags

NGSS.MS-PS1-4

Water ___________ when it cools.

• contracts

• expands

Tags

NGSS.MS-PS1-4

___________- to go under water as a result of being more dense than water.

• sink

• float

______________- to stay on the surface of water as a result of being less dense than water.

• sink

• float

Hot water is _____________ than room temperature water.

• less dense

• more dense

Cold water is ___________ than room temperature water.

• less dense

• more dense

Select THREE objects that float.

• cork

• penny

• wooden bead

• empty bottle

• paper clip