DATE 11/29/11LEQ: As matter changes states, how does the movement and arrangement of the particles change with it?

1. What does the atomic number tell us? 2. What does the atomic mass tell us?3. How can we figure out how many neutrons are in a particular atom?4. How can we tell how many electrons are in an atom?

Let’s Review…

Atomic #: Atomic Mass:Protons:Electrons:Neutrons:

FINISHING OUR LEQ FROM LAST CLASS

How can we determine the structure of an atom using the

periodic table?

Why the weird shape?!

Helium

Sodium

Carbon

Energy Levels: hold electrons with the same amount of energy

1st Energy Level

2nd

3rd

DRAW THIS IN YOUR NOTES!

Drawing Electrons and Energy Levels: Helium

Protons: Neutrons:Electrons:

222

WHAT NUMBER ROW IS IT IN?! 1

Drawing Electrons and Energy Levels: BORON

Protons: Neutrons:Electrons:

565

WHAT NUMBER ROW IS IT IN?! 2

DRAW YOUR OWN!Pick TWO elements and draw models of each of them. You must choose ONE element from the first energy level and ONE from the second energy level

BE SURE TO:LABEL each element you drawDRAW “+” signs in your protonsINCLUDE the correct number of protons, neutrons, electronsDRAW electrons in their correct energy level

Summarizer:In 3-5 sentences, EXPLAIN how we can use the periodic table to determine the structure of an atom.

YOUR ANSWER MUST INCLUDE THESE WORDS:PROTON ATOMIC MASSNEUTRON ATOMIC NUMBERELECTRON ENERGY LEVEL

Today’s LEQ: As matter changes states, how does the movement and arrangement of the particles change with it?

By the end of today, you should be able to…1. Describe the three types of matter

2. Explain how the movement and arrangement of the particles change as the state of matter changes.

Focus Vocabulary:

55. Matter56. Solid 56. Liquid57. Gas58. Law of Conservation of Matter

Matter: anything that’s made of atoms

SOLID

LIQUID

GAS

Picture Particles Density Motion Example

BrainPop: States of Matter

Matter: anything made of atoms

SOLID

LIQUID

GAS

Picture Particles Density Motion Example

Tightly packed

Loosely packed

Not packed at all

Usually the most dense

Usually less dense than solids, denser than gases

Least dense

Particles locked into place

Particles move past each other

Particles move past each other

ICE

Water

WaterVapor

1. Which state of matter is MOST compacted?

2. Which state of matter is the LEAST compacted?

3. Which state of matter is the MOST DENSE? Why?

4. Which state of matter is the LEAST DENSE? Why?

In your notebook…

1. Use the periodic table to list all of the elements that naturally occur as gases

2. Use the periodic table to list all the elements that naturally occur as liquids

3. Use the periodic table to list 5 elements that naturally occur as solids

HOT Q: WHAT DO YOU NOTICE ABOUT THE GASES?

THINK-PAIR-SHARE1. PICK AN ELEMENT2. Use your knowledge of the different states of

matter to describe some characteristics of the substance you chose

HOT Q:Which state of matter has a definite

volume but NO definite SHAPE?Hint: it can change it’s shape based on

the container it is in

What causes matter to change states?

When matter changes states, do the chemical properties or the atoms

change?

• Video – Brainpop (matter of changing states)

HOT Q: When matter changes states, do you think this is a chemical change or a physical change? Why?

(HINT: Think about chemical vs. mechanical weathering!)

Finish the paragraph…A student is doing an experiment with a substance called X. The substance is naturally found in solid form. Once X is heated, it forms a liquid and the particles 1. [get closer together/spread further apart]. Once X is in its liquid form, it is 2. [more/less] dense than its solid form. After X becomes a liquid, the student heats it more until it becomes a 3. [solid/gas]. In this last state of matter, the particles 4. [are not packed together at all/are loosely packed together]. In this final state, the particles in X 5. [move past each other freely/have limited movement].

Draw this in your notes

Law of Conservation of Matter

DEFINITION EXAMPLE

BrainPop: Law of Conservation of Matter

Draw this in your notes

Law of Conservation of Matter

DEFINITION EXAMPLE

Matter can’t be created and it can’t be destroyed

The atoms in water can turn into ice, but they can’t be created

from nothing and they can’t be

destroyed

SUMMARIZER: QUIZ-QUIZ-TRADE!

http://www.gamequarium.org/cgi-bin/search/linfo.cgi?id=7685