Basic unit of matter - the smallest piece of matter known

• Element 
• Atom
• Molecule
• Compound

Density is...

• the amount of mass in an object
• the amount of space an object takes up
• the amount of mass in a given space
• the weight of an object

Tags

CCSS.HSG.MG.A.2

How many protons does Carbon have?

• 3
• 4
• 5
• 6

Tags

NGSS.MS-PS1-1

Negatively charged part of an atom located in levels outside the nucleus

• Proton
• Neutron
• Electron
• Neutron

In a liquid, the molecules have a definite shape and a definite volume

• True 
• False

The density of water is 

• .1 g/cubic cm
• 10g/cubic cm
• 1.0 g/cubic cm
• 0 g/cubic cm

Burning a piece of paper 

• Chemical Change 
• Physical Change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Mixing salt and water 

• Chemical Change 
• Physical Change 

Tags

NGSS.MS-PS1-2

Melting Ice 

• Chemical Change 
• Physical Change 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Milk turning sour

• Chemical Change
• Physical Change 

Tags

NGSS.MS-PS1-2