Conservation of Mass

Measure of the amount of matter 

• mass
• volume
• weight
• density

Tags

NGSS.5-PS1-2

Anything that has mass & takes up space

• gravity
• force
• matter
• volume

Tags

NGSS.MS-PS1-1

Smallest unit of an element

• compound
• atom
• molecule
• product

Tags

NGSS.MS-PS1-1

Substance made up of chemically combined elements

• atom
• element
• electron
• compound

Tags

NGSS.MS-PS1-1

Unreactive gases in last column of periodic table

• halogens
• alkali metals
• noble gases
• metalloids

Substances that form as the result of a chemical reaction

• products
• reactants
• coefficients
• subscripts

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Substances present at the start of a chemical reaction

• subscripts
• coefficients
• reactants
• products

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Electrons in the outermost orbit or shell

• quarks
• molecules
• valence
• compounds

How many iron atoms are in 
Fe(NO₃)₂

• 1
• 2
• 3
• 6

Tags

NGSS.MS-PS1-1

Matter can not be created nor destroyed: it can only be

• Destroyed a little bit
• Invisible
• Transformed, changed
• None of the above

Tags

NGSS.MS-PS1-5