Activity Series

Today we used single replacement reactions to determine the order of reactivity of metals.

There is a test next time.  Be sure to study.

Here's what you need to be able to do:

1. Name and write compounds.  Don't forget polyatomic ions.
2. Write equations.
3. Balance equations.
4. Recognize equation types

That's it.

Oh, and there's a midterm next week.  Be sure to study for that.  If it was on a previous exam, it's fair game for the midterm.  I have put blank copies of all previous exams up on the website under "Chemistry Files".

Homework:

  Study

Exothermic/Endothermic Lab

Great job on the lab today.  Great job cleaning up as well.  Keep up the good work.

We're going to practice balancing equations for one more day and then take the test.  Please start studying for the midterm.  If it was a concept covered on a previous exam, it is likely to be on the midterm.  I will make sure that all of your tests are returned to you next week.


Homework:

1. Do: Finish Lab Report
2. Do: Practice balancing equations

Types of Reactions

We went over the 5 types of chemical reactions:

1. Synthesis
2. Decomposition
3. Single replacement
4. Double replacement
5. Combustion

Homework:

1. Practice balancing equations
2. Read: Endothermic/Exothermic Reactions
3. Do: Start lab report (Purpose, materials, procedures)

Chemical Equations

Regarding the previous exam:

1. Corrections are due two class days from now before school.
2. You can earn back half of the points that were missed.
3. Make sure you follow the correction guidelines posted on the website.
4. Hydrocarbons will not be on the midterm, but everything else, including VSEPR, will be.

Writing Equations:

1. States of matter are shown.
2. Make sure that everything on the left and the right are balanced.

Homework:

1. Watch: Reaction types
2. Do: WSQ-Types
3. Optional, but recommended: Balancing Equations Worksheet

Unit 5 Exam

So, the exam is was not so great for many of you.  I ended up dropping the whole short answer section and providing additional extra credit.  Even still, many students did not pass the exam.

I am going to make corrections on this test mandatory for anyone who failed.  That should serve to bring your grades up.  More information presented next time in class.

Homework:

1. Watch: Chemical Equations
2. Do: WSQ - Equations

More practice

We practiced naming and drawing compounds.  You will need to do this for the test.

For the test, make sure you know:

1. The difference between ionic, covalent, and metallic bonds.
2. The difference between intermolecular and intramolecular forces.
3. How to name and write ionic compounds
4. How to name and write covalent and hydrocarbon compounds.
5. How to draw Lewis dot structures.
6. VSEPR Theory
7. Polyatomic ions
1. Hydroxide
2. Ammonium
3. Nitrate
4. Nitrtie
5. Phosphate
6. Sulfate
7. Carbonate

Please come see me if you have any questions.

Homework:

  Study!

Hydrocarbons

1. They contain only carbon and hydrogen.
2. Many carbons can be connected in a chain.
3. Isomers have the same formula, but different structure and different properties.
4. The naming rules are different.

Homework:

  Practice naming and drawing compounds.  If you are good with ionic and covalent compounds, may I suggest hydrocarbons (like this website).

VSEPR

Great job cleaning today!  The lab looks great.

We talked about VSEPR structures.  Remember that geometries and shapes are 2 different things.


Homework:

1. Watch: Organic
2. Do: WSQ: Organic

Ionic/Covalent Lab

Today we did a lab to distinguish between an ionic and covalent compound.  If you did not finish the last part, make sure that you get the data from a classmate.

Homework:

1. Finish lab report.
2. Watch: VSEPR
3. Do: WSQ: VSEPR

Metallic and Intermolecular Forces

We talked about:

1. Metallic bonds
1. Sea of electrons
2. Alloys
2. Intermolecular forces
1. Dipole-dipole
2. Dipole-induced dipole
3. London dispersion forces

Next time, we will  do a lab to compare the proprties of covalent and ionic compounds.

Homework:

1. Practice naming compounds.
2. Look up some differences between ionic and covalent compounds.  Be prepared to discuss in class.

Ionic Bonds

Ionic bonds are different from covalent bonds.

1. Metal and nonmetal
2. Not sharing electrons
3. Different naming rules

There's a lot of compound naming practice online.  Here's one set you might like to try.

Homework:

1. Watch: Misc Bonding
2. Do: WSQ: Misc

Covalent compounds

We talked about covalent compounds:

1. 2 or more non-metals
2. Why they form?
3. How to draw them
4. What to name them

Homework:

1. Watch: Ionic Bonding
2. Do: WSQ - Ionic

Periodic Table Exam

Now that we know how to use the periodic table, we'll start naming and drawing compounds.

Homework:

1. Watch: Covalent bonds
2. Do: WSQ - Covalent

Element Presentations

We didn't quite get to all the presentations, but we can finish up the few that remain after the test next time.


Homework:
  Study for the exam.

Here's what you should know:

1. History of periodic table
2. Names of groups
3. Metals vs non-metals
4. Periodic trends
1. Ionization energy
2. Electronegativity
3. How reactive something is
5. Be able to locate elements quickly on the table
1. Name
2. Atomic number
3. Valence electrons
6. Also, remember the following from last chapter.
1. A = Z + N
2. Atomic mass

Periodic Elements Lab

Today we did a lab involving different elements of the periodic table:

1. Mostly metals
2. Some nonmetals
3. A metalloid

We looked at properties such as:

1. Luster
2. Density
3. Malleability
4. Atomic number

Homework:

1. Finish lab report.  Double check that you have met all requirements.  Let's start the quarter strong.
2. Finish element project

Periodic Table

1. Developed in the late 1800s- early 1900s
2. Metals on left; non metals on right
3. 118 elements
4. Can be used to predict trends

Homework:

  Work on Project

Projects:

• Google Slides presentation for selected periodic table group
• Following slides required
• Title
• Similarities within group
• One slide each for 5 examples from the group
• Name
• Picture
• Properties
• Use
• Year discovered/ discoverer
• Sources
• Do not crowd the slides
• You will be able to say things not listed.
• Make the slides legible and attractive.

A Block

1. Simon, Jessica, Brandon - Oxygen Group
2. Maddie, Makenzi, Mitch - Noble Gases
3. Katy, Cierra, Cory - Transition Metals
4. Preston, Luis, Moises - Alkaline Earth Metals
5. Alexa, Marcella, Andrea - Nitrogen Group
6. Jacob, Gaby, Melanie - Halogens
7. Caleigh, Kaitlin, Noah - Carbon Group
8. Ivan, Chris, David - Lanthanides
9. Brianna, Lorena, Chris - Alkali Metals
10. /Ben, Andrea, Nathan - Boron Group

Some other John Cage pieces that you probably won't like.

Arranging elements

In class we:

1. Went over the exam
2. Discussed various ways to arrange elements

This will lead into talking about the periodic table

Homework:

1. Watch: Periodic Table
2. Do: Periodic WSQ
3. I really encourage you to watch it, but I understand if you don't get around to it.  My bad for not having it up sooner.

Unit 3 Exam

That's the last test of the quarter!  There will be time for corrections if you need it, but you've got to do it fast.  I'll need them by Friday afternoon.

Homework:
  No WSQ tonight.  I want to do some things in class without telling you all about our next chapter yet.  You might be able to figure it out (or remember) anyway.

Instead, I want you to pick your 10 favorite elements and look up five properties about each.  Please put this information in some sort of chart and put it in your Google Drive folder.

Atomic Mass

Today we talked about atomic mass:

1. Z = protons
2. N = neutrons
3. A = mass number = protons + neutrons
4. Atomic mass is an average of mass numbers

The test is next time.

Here are some things that you need to know:

1. c = wavelength x frequency
2. E = hf
3. Electromagnetic spectrum
4. Atomic models (Dalton, Thompson, Rutherford, Bohr, Electron cloud)
5. Electron configurations
6. Noble gas configuration
7. Lewis Dot Structures
8. A = Z + N

Please work some problems in the back of the chapter and come see me if you are confused about anything.

Homework:

  Study for exam

Valence electrons

Today (10/6 or 10/7):

1. Valence electrons
2. Noble gas configurations
3. Electron configurations vs. periodic table structure
4. Practiced light equations

Homework:

1. Watch: Atomic Mass
2. Do: WSQ - Atomic Mass
3. Start reviewing for the test (It's not next time).

Electron Configurations

Mind blown?

1. Orbital shapes
2. Electron configurations two different ways
3. Applied to periodic table

Here are a few links to what we were talking about in class about electrons being weird.

Dr. Quantum (youtube video)

Quantum Leap (NOVA Video)

Homework:

1. Watch: Valence
2. Do: WSQ - Valence

Emission Spectra Lab

Today we conducted a lab to identify elements based on their spectral lines.

Homework:

1. Do: Finish lab report
2. Watch: Quantum Video
3. Do: WSQ - Quantum

Light

Today we talked about light.

1. EM Spectrum
2. Speed = wavelength x frequency
3. Energy of a photon
4. Photoelectric effect
5. Bohr model

We're going to be doing a lab over emission spectra next time.  Look over some material on that in preparation.

Homework:

  I don't really have a video for tonight, but I think that you should use the time to do some extra practice.  For instance, Page 124 (10-14)

Atomic Models

Blog for A Block (9/24) and H Block (9/25).

Today we reviewed atomic models.

1. Greeks
2. Dalton
3. Thomson
4. Rutherford
1. PhET simulation
5. Neutrons

Sorry if it got a bit dull.  We'll try to spice it up next time.

Homework:

1. Watch: Light
2. Do: WSQ - Light

Unit 2 Exam

Today we took the Unit 2 Exam and talked a bit about science and music.

Homework:

1. Watch - Atomic Models
2. Do: WSQ - Atomic models
3. You should begin reading Chapters 3 and 4 of the book

Archimedes Story

Don't worry about the Archimedes story.  The lab seems to have taken longer than I thought.  Focus on the lab.

Density Lab

Today:

1. Density lab to discover the identity of unknown metals.
2. Archimedes research

There is a test next time.  You have all weekend to study.

Homework:

1. Finish lab report.  Make sure that you have all required sections.  No graph necessary.
2. Study for the exam.  Here is a study guide.

Temperature conversions and mixtures

This is the blog for A Block (9/16) and H Block (9/17)

1. Temperature conversions
2. Types of mixtures
3. We didn't actually talk about density, but we referenced it

There is a test next week.

Homework:

1. Watch: Density Lab
2. Do: WSQ - Density Lab
3. Optional: You can start looking up things about Archimedes

Freezing/Melting Lab

We did a lab today.

If you didn't finish, don't worry.  Analyze the data that you have.

Homework:

1. Do: Finish lab report.  Don't forget the post-lab questions.
2. Watch: Mixtures video
3. Do: WSQ - Mixtures

Phase Changes

Today we:

1. Talked about phase changes
2. Looked at a graph of temperature during a phase change
3. Learned why we sweat
4. Interpreted phase diagrams
5. Froze stuff with liquid nitrogen (see more at the talk on Friday)

Homework:

1. No video tonight.
2. Read - Freezing/Melting lab
3. Do: WSQ - Freezing/Melting lab
4. Optional do: Start the lab report
5. Don't forget the extra credit opportunity on Friday night

Properties of Matter

This blog is for classes held on 9/8 (A Block) and 9/9 (H Block).

We discussed properties of matter today:

1. Extensive = change with amount (mass, volume, length, etc)
2. Intensive = do not change with amount (color, smell, melting point, etc)
3. There are many properties

Next time, we will have some liquid nitrogen.  If you have anything you want to see frozen, bring it in.

Homework:

1. Watch: Phase Changes
2. Do: WSQ - Phase Changes
3. Finish: List of 10 extensive and 10 intensive properties for item that you chose

Today's Music:

1st Exam

I'll have these graded and ready to go over next time.

We're ready to start a new unit!

Homework:

1. Watch: Properties
2. Answer: WSQ - Properties (Remember that homework is due at 8:20 in the morning)
3. Bring: An object for chemistry show and tell.  You will be describing the item in a lot of detail.  Don't bring a precious family heirloom in case it gets destroyed.

Today's Music

Observation Lab

Blog post for class held on 9/2 (A Block) and 9/3 (H Block)

Today we practiced making observations, following lab safety, and good experimentation skills.

There is a test next time.

Homework:

1. Observation lab report.  You are excused from the LabQuest report, so make this a good one.
2. Study for the exam next time.  Here is a study guide to help you.

Today's Music:

Getting to Know LabQuest

This is the blog for the class held on 8/28 (A Block) or 8/29 (H Block).  Please read the class summary to make sure that you are doing the correct homework.

Today in class, we did a lab involving a variety of activities with the Vernier LabQuest:

1. Looking up periodic table data.
2. Listening to a beat frequency.
3. Measuring temperature.
4. Recording a temperature graph.
5. Experimenting with other probes.

We will finish this up next time, but try to get as much of the lab report completed as you can.

Lab Report Format

Getting to Know LabQuest instructions

There will be a test towards the end of next week.  You'll get a study guide next class.

Homework:

1. Watch - Observation Lab
2. Also watch - Collecting temperature data with LabQuest (older LabQuest, but process is the same).
3. Do: WSQ - Observation

Today's Music:

Lab Safety

This is the blog post for 8/26 (A Block) or 8/27 (H Block).

We discussed various aspects of safety:

1. SDS forms
2. Paying attention
3. Following directions
4. Don't assume that something is safe just because it looks like it.
5. Gloves, goggles, apron (let's get quicker about putting these on).

We'll finish the safety quiz next time.

Homework:

1. Watch: LabQuest
2. Do: WSQ - LabQuest

Today's Slides:

Today's Music:

Scale of the Universe

Today went well I think.

1. We practiced sig figs and scientific notation.
2. We looked at our size in the universe (about medium, I'd say).  Link to site
3. We researched scientists who inspire us.  If you didn't finish, we'll work on that another day.

Homework:

1. Watch: Labs
2. Look at: How to Read an SDS
3. Answer: WSQ - Labs

Notations and Conversions and Sig Figs... Oh, My!

I felt that today was great.  I hope you agree.  If you feel that you got a bit lost, please come see me, there are a lot of students in the class.

Today's events:

1. Went over questions from the slides.
2. Conversions (KHDBDCM)
3. Scientific notation
4. Significant figures
1. We'll continue to practice these.
5. Pi Activity
1. Significant figures for the win!

Homework:

1. Watch: Scale
2. Do: WSQ - Scale

Today's Slides:

Today's Music:

What is Science?

Today we had our first and only true lecture.  The rest of the notes will be done primarily through "flipped" videos.

We did the following:

1. Introductions
2. Class policies
3. What is science?
1. Reliable and Tentative
2. It has a method
3. It only answers testable questions

Homework:

1. Listen to: Radio lab >kg
2. Watch: Measurement
3. Answer: WSQ

Today's Slides:

Today's Music:

10 Minute Day

I enjoyed seeing you all in class on Friday.  We will have longer next week for introductions and class procedures.

Homework:

  Please bring the following with you on Monday:

       Supplies

       Signed syllabus page

       Signed safety contract page

You can find those documents on the website: 

https://sites.google.com/a/saviochs.org/mr-goertz-science/physics/physics-syllabus