matter/mass
periodic table
100

what is matter

something with mass and takes up space

100

what is the peroidic table used for

it is used to find elements

200

give an example of matter

a balloon,box,etc

200

what is the peroidic table 

a table that we use to define elements.

300

how can matter be studied

by the objects weight and the space it takes up.

300

what is the definition for atomic mass

the total number of protons in the atoms nucleus

400

what are some ways matter is used.

it can be used to build houses

400

what is the definition of atomic number

the atomic number is the the number of protons in a atoms nucleus.

500

what is the difference between matter and mass

matter has mass

mass has volume

500

what are the elements going down called

groups