8th Grade Science
Do Now
Complete Part 1 of your worksheet…
February 13, 2014
8th Grade Science
Today’s Schedule
1. Do-Now
2. Atomic Structure practice
3. Dry erase board practice
Objectives:
Today we will…
8.5 (A) describe the structure of atoms,
including the masses, electrical charges, and
locations, of protons and neutrons in the
nucleus and electrons in the electron cloud
8.5(B) identify that protons determine an
element's identity and valence electrons
determine its chemical properties, including
reactivity
Dark Matter
Independent Practice
8th Grade Science
Atomic Structure
Letter S represents the _____.
8th Grade Science
Atomic Structure
Letter T represents the _____.
8th Grade Science
Atomic Structure
Letter Q represents the _____.
8th Grade Science
Atomic Structure
Letter R represents the _____.
8th Grade Science
Atomic Structure
8th Grade Science
You know the identity of an element by counting the number of ____.
8th Grade Science
Atomic Structure
How many protons?
Electrons?
Neutrons?
1
H
1.008
Hydrogen
8th Grade Science
Atomic Structure
How many protons?
Electrons?
Neutrons?
8
O
15.999
Oxygen
8th Grade Science
Atomic Structure
How many protons?
Electrons?
Neutrons?
11
Na
22.999
Sodium
Atomic Structure
What is the identity of this element?
8th Grade Science
Atomic Structure
What is the identity of this element?
8th Grade Science
Atomic Structure
How many neutrons in an atom of Fluorine?
8th Grade Science
Atomic Structure
How many neutrons in an atom of Boron?
8th Grade Science
Atomic Structure
How many neutrons in an atom of Magnesium?
8th Grade Science
Atomic Structure
Which element has 33 protons?
8th Grade Science
Atomic Structure
Which element has 79 protons?
8th Grade Science
Atomic Structure
Which element has 82 protons?
8th Grade Science
8th Grade Science
Observing Physical Properties of Matter
Metals
Examples
Physical
Properties
What I observed was that…
The thing I found most interesting was…
Nonmetals
Metalloids
8th Grade Science
.Page 11, right
Key:
1. Make a color key
-Metals
-Metalloids
-Non-Metals
2. Identify the location of the
metals, nonmetals and
metalloids on the Periodic
.
Table.
7.
4.
5.
2
3. Shade the correct location
of each type of matter on the
Periodic Table.
3.
6.
Metals
Nonmetals
Metalloids
8th Grade Science
Properties of Matter
After you and your table have
completed the card sort, fill in the
vocabulary words in your chart.
8th Grade Science
Properties of Matter
After you and your table have
completed the card sort, fill in the
vocabulary words in your chart.
8th Grade Science
February 11, 2014
Exit Ticket
Directions: A new student missed the unit on matter. Write a letter to them, summarizing
the main points from this week’s lessons.
Proton
positive
electrical charge
Charge
Nucleus
electron
mass
neutron
neutral
electron cloud
Properties of matter
metalloid
metals
nonmetals
identity
luster
periodic table
conductivity
malleability