1. You will need 7 Index Cards Chastain - 2017
Vocabulary On-Level
You will need 7 Index Cards
Chastain

2. Standards
a. Develop and use a model to compare and contrast pure substances (elements and compounds) and mixtures. (Clarification statement: Include heterogeneous and homogeneous mixtures. Types of bonds and compounds will be addressed in high school physical science.)

3. Atoms
The tiny particles that are the basic building blocks of all matter. 
Atoms can be combined with other atoms to form molecules,
They cannot be divided into smaller parts by ordinary means.

4. What is an atom?

5. Molecules
A Particle made of two or more atoms joined by chemical bonds.
Example – H2O (Water)

6. Elements
An element is a pure substance that is made from a single type of atom.
It cannot be separated into a more simple substance.

7. Compounds
A pure substance made of two or more elements chemically combined giving them different properties.

8. Elements and Compounds

9. Pure Substance
A substance that is made of only one type of atom or only one type of molecule.

10. Heterogeneous Mixtures
A heterogeneous mixture is made of different substances that remain physically separate. 
You can see the individual parts.

11. Homogeneous Mixtures
A mixture which has uniform composition and properties throughout. You can not see individual parts
Example: Air, Salt Water

12. Evaluate: Pure Substances and Mixtures