1. Elements and Compounds
In the ____________s, American scientist Stanley Miller tried to find a recipe for life.
While Miller did not find a recipe for making life, he DID make _______ __________, building block molecules of cells.

2. Elements and compounds
The ingredients for life are simple.
Your body is mostly three elements: _________________, ________________ & ________________.
An ______________ is the simplest form of matter.
The top three elements are what total percent of the body?

3. Atoms, compounds and molecules
A single atom is the smallest particle of an element that keeps the _______________ _______________of the element.
Each element has a _________________ type of atom.

4. Atoms, compounds and molecules
A compound is a substance that contains two or more different _____________ that are ______________ joined.

5. 4.1 Atoms, compounds and molecules
A molecule is a group of two or more ___________ joined together _______________.

6. 4.1 Atoms, compounds and molecules
Many substances you encounter are a mixture of different _______________ & _____________.
How many atoms are in this mixture?

7. Chemical reactions
A chemical reaction is a process that _____________ the _________ of one or more substances into one or more new substances.

9. Importance of water
Liquid water is used to ______________ molecules where they need to go, inside and outside of cells.
Review: What is a solution?

10. The importance of water
Water’s __________ make it a valuable substance for life.
It is a good ________________.
It has a wide range of ______________.
It has a high __________ __________.
This water is boiling at the bottom of the ocean!