Chemistry Review

1. Which statement is true about matter?

• Atoms are not matter

• Matter exists only when you can see it

• Living things are not matter

• Matter is made up of atoms

Tags

NGSS.MS-PS1-1

Water evaporating is a ________________change.

• physical

• chemical

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

All of these are real life examples of evaporation EXCEPT for

• sweating

• clothes drying on the clothes line

• Water droplets outside of a glass

• a lake drying in the hot summer

Tags

NGSS.MS-PS1-4

NGSS.MS-ESS2-4

The word expansion means to

• get larger

• get smaller

• stay the same

The word contraction means to

• get larger

• get smaller

• stay the same

Tags

NGSS.MS-PS1-4

The change of sate from a solid to a liquid is called

• condensation

• evaporation

• melting

• freezing

Tags

NGSS.MS-PS1-4

Which is the smalllest?

• proton

• atom

• compound

• a molecule of water

Which has a definite volume?

• solids and liquids

• solids and gases

• liquids and gases

• only solids

Which of the following methods will cause the molecules in a cup of water to move slower?

• heating the water

• stirring the water

• swirling the water

• cooling the water

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

__________________must be added to a substance to cause melting or evaporation.

• matter

• energy

• oxygen

• pressure

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4