What I learned about for elements is if you want to have a element you have to make a physical change with all the materials you have.

What I learned about compounds is carbon dioxide is a compound.

What I learned about mixture is something that can be anything combined like chex mix.

Element-is a pure substance that cannot be broken down into simpler substances.

Compound-a pure substance made up of of two or more different elements joined by chemical bonds.

Mixture-a combination of two or more that aren’t combined.