untitled

State of matter composed of tightly packed molecules, resulting in a firm substance

• Precipitate
• Gas
• Solid
• Liquid

Tags

NGSS.MS-PS1-4

A change in the physical properties of a substance,  which is usually reversible 

• Chemical Change
• Physical Change
• Mass
• Conservation of Matter

Tags

NGSS.MS-PS1-4

State of matter composed of freely moving molecules that do not usually separate

• Gas
• Solid
• Precipitate
• liquid

Tags

NGSS.MS-PS3-4

The Smallest unit of an element 

• Atom
• Element 
• Cell 
• Compound

Tags

NGSS.MS-PS1-1

A chemical reaction involving the rearrangement of the atoms of one or more substances

• Physical Change
• Chemical Change 
• Physical Science
• Conservation of Matter

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

As a substance heats up, its molecules ___________________.

• slow down and get closer together
• slow down
• speed up and get farther apart
• stop

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Does the amount of a substance make a difference in its boiling point?

• yes
• no

Tags

NGSS.MS-PS3-4

If a magnet broke into a thousand tiny pieces, would all the individual pieces be magnetic?

• yes
• no

True or False.  If you have the same volume of two different substances, they may have different densities.

• True
• False

True or False.  When a chemical change takes place, a new substance is formed every time.

• True
• False

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5