Unit 4 - Elements and Compounds.
Big Idea: Elements consist of one type of atom, and compounds consist of atoms of different elements chemically combined.
"The Nitrogen in our DNA, the calcium in our teeth,
the iron in our blood, the carbon in our apple pies were made
in the interiors of collapsing stars.
We are made of star stuff."
-Carl Sagan
When you look at the image below, what does it make you think?
the iron in our blood, the carbon in our apple pies were made
in the interiors of collapsing stars.
We are made of star stuff."
-Carl Sagan
When you look at the image below, what does it make you think?
Let's follow the links below to learn more about what we are made of!