1. Day 13 9/8-9/9 Agenda: Activity: what is matter?
Notes: biochemistry introduction.
Reading/Worksheet: “Elements of you”

2. Bell Ringer Day 13: 9/8
What do you think the scientific meaning of matter is?

3. BIOCHEMISTRY INTRODUCTION
Matter -- anything that has MASS and takes up SPACE
EVERYTHING is made of matter

4. Atoms – the SMALLEST particle that can exist and still be considered matter
All LIVING and NONLIVING things are made of atoms

5. Atoms -- have three components
ELECTRONS -- negatively charged
PROTONS -- positively charged; found in nucleus
NEUTRONS -- neutral; found in nucleus

6. Electrons
Nucleus
Protons & Neutrons
Energy Levels

7. Elements -- a substance that is made of only ONE kind of ATOM

8. Reading Periodic Table
Element
Hydrogen
Atomic
Number (number of protons) 1 H
Symbol

9. ISOTOPES– atoms of an element with a different number of neutrons