1.2+Chemical+Reactions


 * 9/21**
 * PERIODIC TABLE TEST**
 * CHEMCIAL REACTION PRETEST**

9/22 TEKS: review 6/7th Vocab: physical change/chemical change

In class: FRAME-Changes example section: do as rotating to station key words section: physical change and chemical change cards rotate around class write summary with partner

GO OVER CHEMISTRY TEST DEMO A DAY: lava lamp

Key Questions: What is the main difference between physical and chemical changes? What are some of the verbs you saw when reading a chemical change? physical? What are some other examples?


 * 9/23**
 * TEKS** 8.5B
 * Vocab:** valence electron, bonds, compound, reactive (need definition)

Hula hoop demo DEMO A DAY: Einstein's hairy brew
 * In Class:** [[file:How and Why Elements Bond.doc]]
 * Homework:**

Why do elements bond? How do elements bond? Why are there some many different things in the world if we only have about 90 naturally occuring elements? CKU-S - pair and share - Which elements would be most likely to bond with another element? What patterns do you see between reactive elements and group? Least reactive? Why? CKU-W- write your conclusion response in your notebook. CKU-W - update your PT Basics to reflect valence electrons
 * Key Questions:**


 * 9/24**
 * TEKS: 8.5B**
 * Vocab**: valence electron, bonding, molecule, compound

In class: 20 min video - Bonding - grade Define molecule and compound

MATCHING: compounds and names

DEMO A DAY: soap in microwave

Homework: SSD (yellow page)

9/27 TEKS: 8.5B Vocab: valence, bonding


 * In Class Activity: [[file:Forming Compounds.doc]]**

Start class: bumpy elements Bonding conclusion (How and why/Forming Compounds) DEMO A DAY: Tums and HCl
 * Homework:**

Why do elements bond? How do elements bond?
 * Key Questions:**


 * 9/28**
 * TEKS:** 8.5e evidence of change
 * Vocab:** precipitate, product, reactant, coefficient, subscript

DEMO A DAY:

[] tin pest

DaD: Zn and HCl
 * In Class:** Foldable chemcial reactions - have student justify their indication of chemcial reaction, RR2PP, What do the numbers mean?


 * Homework:** Part of a chemical equation (pink sheet)

How do you know a chemcial change occurs? CKU-W Write along the bottom of yoru foldable page: Chemical _ are the result of a chemical __,__ __or The most important piece of evidence to indicate a chemcial reaction is__.
 * Key Questions:**

Quiz - counting atoms DaD - "strong" cereal
 * 9/29**
 * TEKS: 8.5e**
 * In class:** grade parts of equation HW

Homework: Understanding chemcial reaction (blue sheets)

9/30
 * TEKS:** 8.5e evidence of change, 8,1a,b safe and appropriate investigation


 * Vocab:** precipitate, reactant, product

DaD: [] sulfuric acid and sucrose [] bill neye
 * In Class Activity: [[file:Reaction demos.doc]]**
 * Homework:**

What types of evidence did you see in the reactions? CKU-W - Selct a reaction and write about it. In the beginning the properties of the substances were, after ___.
 * Key Questions:**

9/30
 * TEKS:** 8.5d, 8.5e
 * Vocab:** bond, compound, reaction, molecules

DEMO A DAY: []# Briggs-Rauscher Oscillating
 * In Class Activity: [[file:Chemistry Blocks.doc]]**


 * Homework:** 5x5x5

How are molecules, compounds and atoms different?
 * Key Questions:**

9/28 TEKS Vocab: Conservation of Mass

In Class Activity: Photosynthesis blocks

Homework: Reaction worksheet

Key Questions: How does this activity demonstration CoM? What elements are involved in photosyntesis? Where does photosynthesis occur? Describe the energy transfer in photosynthesis?

TEKS Vocab:

In Class Activity:

Homework:

Key Questions: