Winding Down

One more science video till Christmas!  But first, make sure all your papers are in order and everything up-to-date and finished/watched and packed away in your notebook -- don't lose those atom cards! Bring them Thursday, we will go over how to make predictions, as well as returning your tests.  Quite a few of you have not left a prediction in the comments, which was part of last week's homework, so do that.  And please leave your initials or first name so I know who you are.

And here is the link to the 30 minute video:
http://www.learner.org/courses/chemistry/video/vidbyunit_4.html

There will be homework after New Year's to prepare for the first class of the year.

Friday's homework

Hopefully, you should have completed your Chapter 18 test yesterday, and put that in your binder to turn in on Monday.  It would be cheating to change the answers now.  Jus' sayin'. Hope you enjoyed the amazing rain.  My street was completely flooded for a while, and the park was a little lake. Quite fun.

Today's homework:
1. Read and study Chapter 19.1 Stability in Bonding, and highlight everything you think is important.  --vocabulary, major concepts --and be able to answer all the questions asked in picture captions.  Study the pictures carefully!   KEY CONCEPT - STABILITY  means stay-bility ...

----And here is a worksheet to help you ---https://drive.google.com/file/d/0B07s3-bcUr7tb0dpSlVKdlZjdHc/view?usp=sharing  {to check your answers, see link below.}

2. Atomic Trading Cards page 579 -- this is what we started in class.  In your SJ,predict which pairs of elements might combine to form stable compounds.  Re-draw those Rutherford-Bohr diagams  in pairs which you predict will combine.  (Like sodium and chlorine) -- Can you find 10 (at least)? In the comments below, write in a combination that you predict will bond to each other.  Everyone different.
  And here is an "answer sheet" --This is what your cards should look like.

3.and some videos: take notes//illustrate in your SJ: (like a page for each video seems right, because pictures take a lot of space)

These videos are so good, you might want to watch them again!

and you can check your worksheet answers here: https://drive.google.com/file/d/0B07s3-bcUr7td2pLMWptbVV3UmM/view?usp=sharing

DID YOU LEAVE YOUR COMMENT?  [SEE #2]

TEST: Thursday!

I've changed my mind twice, but now it's back to Thursday...so homework is to complete the cards which we started in class,  do the handout from class with the electron dots, and most of all...

STUDY FOR THE TEST ON CHAPTER 18!!!

1. Read again the 3 sections, and UNDERLINE EVERYTHING YOU THINK IS IMPORTANT... vocabulary, charts, pictures, be able to answer all end of section questions.
2. Work through the study guide, pages 568-571. [for studying, not to turn in as homework]
3. Rewatch some of the videos from the blog page. also http://www.bozemanscience.com/a-tour-of-the-periodic-table



If you missed class, or would like a clearer explanation than I gave :) >>>>>http://www.bozemanscience.com/atoms-the-periodic-table  and here:

If you missed class, or need a reminder on how to do Rutherford-Bohr models, here is a short video: {in class we drew the first 20 elements according to the model.  These models show where the electrons go.]

internet interupy...

My internet was down today so I sent a message to your moms, telling the homework.

Documentary, the 2nd of 3, Chemistry a Volatile History. THE ORDER OF THE ELEMENTS  http://www.brainpickings.org/2011/10/14/chemistry-a-volatile-history-bbc/  58 minutes.

Also, we will have a test next Thursday or the following Monday on the chapter and homework covered in Chapter 18.  Study and underline in your books everything you think you should remember.

Periodic Puzzle

So glad to be back at class today!  I appreciated your focus, and I think this time between now and Christmas will be interesting and productive.

First, if you did not yet assemble (glued or taped together) your own periodic table out of the cards and paper from class, do so now and if you have to, use a printed periodic table to help you, and then find the patterns.  COPY AND  ANSWER THESE QUESTIONS ON THE BACK OF YOUR "TABLE", AND TURN IN AS HOMEWORK ON THURSDAY:

1. Which of the properties on the element cards is the most appropriate for sequencing the elements?
2. Are there exceptions to the order of atomic mass? where?
2. Which properties are periodic?  Explain.
3. At what point do the properties appear to repeat themselves?
4. Which properties are common to elements on the left side of the periodic table?  The right side?
5. What was your "mystery element", and what properties did you predict it would have?  Were you correct?
6. On your taped together periodic table, write the element symbols on each card. [H, He, Li...etc.]
7. Hydrogen is the first element; do you think it should be in the first column?  explain.


VIDEO DOCUMENTARY TO WATCH:
Here is the first of three in a series, a documentary on the discovery of the elements. It is excellent, but it is an hour long, so you may want to get popcorn and chromecast it on your TV, if you have that available. Seriously, your whole family might enjoy it together! http://www.brainpickings.org/2011/10/14/chemistry-a-volatile-history-bbc/   Watch just the first one, DISCOVERING THE ELEMENTS.  [The second one, The Order of the Elements, will be homework for Friday, so if you'd rather get that done early, feel free.]
Taking notes on this video would be just jotting down the names of the scientists and what they discovered, and the year.

Be Thankful!

Hope you had a good day yesterday, and that the walk in the rain was refreshing!

If you are caught up with the homework (see last blog) and have reviewed the entire chapter 18, and filled out the three worksheets, you are mostly done.  Just make sure to get a quick review in before Monday's class (skim the chapter and review notes from SJ and worksheets including the chart from class)  and of course, the Song:

And Now, the Periodic Table...

Keep working on that song!

Print out these THREE worksheets to fill in while you read the textbook. Chapter 18, section 3 on the Periodic Table
https://drive.google.com/file/d/0B07s3-bcUr7tQVV6RHJIODRUaHc/view?usp=sharing
https://drive.google.com/file/d/0B07s3-bcUr7tRmU1NnpuWFA2UEE/view?usp=sharing
https://drive.google.com/file/d/0B07s3-bcUr7tTzZfdnY3bUtjZWc/view

And a few more short vids...

And speaking of electrons, since they do not orbit around the nucleus as Rutherford imagined, what do they do, and where are they located?  The answer is not orbits, but orbitals...

Last not-quite random subject that we touched on last Thursday: Radioactivity: What Is It?

Basic Stuff about Atoms

Review Worksheet - The first worksheet handed out -- questions from the textbook, chapter 18, sections 1 & 2. Find the answers. (This may be easier after you watch the videos).

4  videos to watch - take notes on any new vocabulary words - like isotopes, valence electrons, atomic mass number, atomic number.  They are each 6-15 minutes long, and not exactly entertaining, but plow though, or take breaks. Listen more than note-take, just write down highlights, especially vocabulary.  (The more notes you take, the less you have to go back and re-learn.)

1. Atomic Structure meets the Periodic Table

2. Atomic Number, Mass Number and Net Charge

3. What is an Isotope?

4. Valence electrons and the Periodic Table 

Now that you have watched these four videos, and using the periodic table that I handed out in class, see if you can figure out at least some of the worksheet/chart that I handed out.  Some of you will find this kinda fun, and maybe some will think it is confusing to start, but give it a shot.  It's a puzzle.

EXTRA Credit, if you are interested: How Carbon-14 Works [3 computer pages of reading]

Charge!

In case you missed it, here are the two videos from class: (if you were in class but did not take notes, re-watch the videos and take the notes described below.)
1. Just How Small is an Atom?  in your SJ, copy & illustrate  at least three of the comparisons that are given. {example: If all the atoms in a grapefruit were the size of a blueberry, the grapefruit would be as big as the earth.}

2. How Big is an Atom?  As you watch this video, make a list in your SJ of all the steps  down-sizing, starting with the 10 meter maple tree to the incredibly small neutrino particle. 12 min.

3. How Protons, Electrons and Neutrons Were Discovered:  Take notes in your SJ. Include the names of the scientists, the discovery and  the year of the discovery, and an illustration of the experiment. 14 min.

4. Atomic Structure: yes on notes.  12 minutes.

*****************************************************************

5. Build an Atom: pHet simulation: http://phet.colorado.edu/sims/html/build-an-atom/latest/build-an-atom_en.html

Build the first 10 elements (stable and neutral).(hydrogen through neon) and learn their symbols (draw 5 different atoms in your SJ)  Try out both orbital and cloud models. And play the games (figure out for yourself what is an ion, stable, neutral, etc.) 

6. MEMORIZE the first 20 elements, in order! and their symbols.  REQUIRED!

+++++++++++++++++++++++++++++++++++++++++

So there you go.  Your science journal should have lots of new stuff in it, and you should make sure it has a title page for chapter 18 as well as a table of contents.  Draw a lot (but not random stuff!) 

Simpler when it's Sorted

How many of you have to take out the trash?  It used to be so simple; everything just went to one place--the Can.  Nowadays, there are at least 3 cans, one for recyclables, one for yard waste and one for the true trash.  It must be sorted, and the recycling even gets sorted again wherever it goes.  Although it is confusing, it is also extremely helpful and that's why we bother.

Classifying Matter - the chapter we just studied - same thing.  To understand more easily, we sort matter into categories. All of matter can be sorted into two piles; it's either a pure substance or it's a mixture of pure substances.  (Our textbook says something is either a substance or it is a mixture, but I think "substance" sounds too much like "stuff'" so I'm adding the word "pure" to clarify.) Everything must be either pure or a mixture.

Most of the world around us would be put in the mixture pile.  We have to look hard to find anything in nature that is pure.  The air we breathe is a mixture of gases; the water we drink, we have to purify first (and even then it contains impurities). Looking around the room right now I can't see a single thing that isn't mixed.  The salt on my table is pure, but it has been through a process to separate it from its impurities.

Our textbook gives us a few categories for mixtures: solutions, colloids and suspensions.  This is mainly so you can see what a pure substance is NOT.  After this chapter we won't talk about them too much (except solutions).

What we will talk about are pure substances, and we can sort them into two groups. First there are the elements, which are made of a single type of atom, such as hydrogen or helium or carbon or gold.  Not many of these, only about 90 in nature.  But lots and lots of combinations (COMPOUNDS). The compounds have more than one type of atom combined together,  but they are not mixtures because the atoms are bonded to each other strongly and in a definite proportion. For instance, water is a compound; it is composed of two atoms of hydrogen joined like siamese twins to one atom of oxygen.  Water (H2O) is completely different than a mixture of hydrogen and oxygen gases, even though it is made of hydrogen and oxygen. And it is completely different than H2O2, hydrogen peroxide (the stuff in the brown bottle that fizzes when we put it on cuts), because that extra oxygen atom changes A LOT. It changes its identity. It changes its physical and chemical properties. (Sidenote: that bottle of hydrogen peroxide is a mixture of 3% H202 and the rest is simply H20; if you had 30% hydrogen peroxide solution, then you'd see more than fizzing!). H2O2 is not H2O.

The other thing we had to sort through was the pile of physical and chemical properties and  changes.

Each pure substance has its own chemical identity and therefore its own unique set of chemical and physical properties.  A mixture has a jumble of properties.

These are the main ideas from chapter 17: Classifying Matter.  If you think you did poorly on the test, please read the chapter again this weekend.  Chapter 18 focuses on atoms, elements and the periodic table.

Here are two videos to watch: (30 minutes total) Notes in journal

just for fun, a teaspoon made of gallium

upcoming test & starting a new chapter

The test on chapter 17 will be Thursday -- it will be ONLY on chapter 17.  You have been reviewing, so go over the material once again, from the textbook, in your journals, worksheets and labs, and on the blog posts, and from quizlet.

But wait, there's more:
- Start a new section in your science journal for the NEW CHAPTER: leave a page to summarize everything we do, like the one I did for chapter 17 Classification of Matter, above.
- Read Chapter 18, section 1: The Structure of the Atom  In your science journal, write out the vocabulary (with meanings); copy figure 1 on p. 545 along with the word-blurb, and answer the questions 1-6 on p.549.

-start to memorize the chemical symbols of the elements, starting with the common ones listed on page 544. Make flash cards.

A little bit more on the Cloud Chamber, which is like the bubble chamber mentioned in your text - that piece of scientific apparatus that can detect the smallest sub-atomic particles of matter.  Does anyone want to build one?  Extra credit!  I'll get the dry ice!

What we learned in class:
A chemical change is when a compound changes its composition and a new substance is formed which has different properties. Some clues are bubbling or fizzing when a gas is formed, a cloudy substance when a solid is formed (a precipitate), a color change or a temperature change.

 Also, since new substances are formed from the atoms of the old substances, the mass will be the same.  No atoms are lost or created in the making of the reaction. They are just rearranged. This is a law of science -- the Law of the Conservation of Matter.

 ==Homework:
1. Answer the questions from the lab handout. (Many of the answers can be found on the cover page.)
2. Watch this video from The World of ChemistryThe World of Chemistry - Color 28 min. No notes required.
  [Click the VOD button for lesson 2, Color, and then click it again.   It works on the second try.]

Test on Chapter 17 next Thursday.  Come on Monday with your questions.
Levitating Pumpkins! Halloween Science  2 minute video.

Homework:

from our textbook, Chapter 17: Classification of Matter, pages 538-541, Study guide and Chapter Assessment.   Use binder paper to turn it in. (Ink, please)

Vocabulary Review: Quizlet http://quizlet.com/_dfq5d Try out Study and Scatter.

Test on chapters 16 & 17, coming up soon.

I'm looking forward to Thursday's lab, where we will focus on chemical change in a very Halloween-ish way! Don't be late!

It All Changes

start here:

And now the homework:

1. Textbook Reading: Chapter 17, section 2: Properties of Matter pages 526-533.
2. Watch this lecture {https://www.youtube.com/watch?v=7zyiW-13jzk 7 minutes, but it will take a lot longer, because you will be COPYING ALL THE WORDS! in your science journals. :) Feel free to add illustrations. This will make it memorable.
3. And lastly, here is a worksheet to fill out:  https://drive.google.com/file/d/0B07s3-bcUr7taE4xSzFYa3QxbFU/view?usp=sharing
4. Actually, let's end with...COOKIES!

I was a little "mixed-up" this morning...but with chromatography I can UNMIX!

Doin' It At Home:  Chromatography:
Here are some alternate directions for doing the experiment at home. You have the option of these  experiments:

1. Candy Chromatography - if you happen to have skittles and M&M's around, or your mom is willing to indulge... http://www.education.com/science-fair/article/chemistry_paper-chromatography/
2. OR>>>Leaf Chromatography - now that we have leaves about to turn color, this is a great experiment - http://chsweb.lr.k12.nj.us/mstanley/materials/chromatoglab.pdf
3. OR-- If you have round coffee filters  http://uncw.edu/chem/courses/reeves/onlinelabs/Paper%20Chromatography/PaperChrom_exp.htm
4. OR--the handout from class, which uses permanent markers and ethanol, but any solvent like rubbing alcohol or nail polish remover will probably work.  Adapt to whatever container you have.
5. OR--most difficult one - Crime Scene Investigation  - but you can do it !  = http://www.msichicago.org/fileadmin/Education/learninglabs/lab_downloads/EvidenceLab_ink_act.pdf
6. NO MATTER WHICH EXPERIMENT  YOU DO, use the handout to tape your strips to and answer those questions, as best applies. Print out whatever experiment you use, staple all together to turn in on Thursday.

And some online reading: (summarize briefly in your journal). 

http://www.propertiesofmatter.si.edu/fbiscience.html

New Chapter - the Classification of Matter

Since we are starting a new chapter, let's do the same in our science journals.
Make a TITLE PAGE in your journal for the next chapter
On we go to Chapter 17: The Classification of Matter
Read Section 1: Composition of Matter, pages 518-524
In your SJ, write up the As You'll Read (What you'll learn & Vocabulary) and also the Reading Check questions. Copy  Figure 7 from page 522, and answer question 7 from page 524.

and here are some videos to reinforce your learning:

and since ketchup is a mixture, here's a word about...

(no notes required)

On Monday, turn in back homework, like the Model the Unseen worksheet and the last lab report (only got 5 of those)

Model, Theory and Method

Great job in class on the demonstrations!  You presented very well, and as an audience you were genuinely supportive and encouraging.  Explanations, if not perfectly complete, gave us something to think about and deepened our understanding of our natural world.  Bravo!

Thursday we will have a few more demos and a review of  "the Story So Far..." before we go on to the next topic, but we will continue using the kinetic model a lot as we study chemistry.  It is foundational.

Homeworks for Tuesday & Wednesday is a general study of science- Models, Theory and Method.

1. Modeling the Unseen, from the World of Chemistry series.

Print worksheet: https://drive.google.com/file/d/0B07s3-bcUr7tM3Z2N3FzN2gyZjA/edit?usp=sharing  and to to >>>

>>>>> Modeling the Unseen 

 you will need to click on the VOD button for #4 probably twice    

2.  What is a Scientific Theory?  Take notes in your SJ.

3. The Story of Fred, read & summarize in your SJs, and illustrate if you like (remember, every page in your sjs shoud have an illustration or word-art to highlight the major concepts.)

>>>>Think Like a  Scientist

Pressure's ON! for Monday...

[COPY ABOVE GRAPHIC into your SJ.]

and some explanation for our introduction to Bernoulli's principle, which explains a lot of things, including why really heavy airplanes can fly:  TAKE NOTES IN YOUR SCIENCE JOURNAL.

Here's the list of demonstrations so far:

1. Alek - Fountain bottle
2. Leia - egg magic
3. Laura - magic water glass
4. Niles - Antigravity water
5. Jillian _ Plumber magic
6. Ian - Flying papers

Connor, Abigail, MD, Zach and Ethan - need to choose something else. I have some great suggestions, and I have already sent an email to you(Abigail)  or your moms.  My  email is vqharmon@gmail.com  {DOES ANYONE HAVE A PRESSURE COOKER - I HAVE A GREAT EXPERIMENT TO TRY???!} -ask your mom.

Practice your demos  at least once by yourself and once for a family member.  EXPLAIN, with a diagram like our comic strip for the crushed can, using the Kinetic Particle theory - particles...moving...colliding. - Make a quick poster or use the white board.  It should be something your classmates can copy into their science journals (like the Bernoulli graphic at the top of the page.)

*********

AND A WORD ABOUT CLASS YESTERDAY...

In a class like mine, which is about exploring, some chaos is to be expected, but I would very much appreciate you being attentive to my "class voice"-- and showing me that you are listening, even while you are busy with your hands, by pausing your conversations and looking at me as I add needed explanations to the group.

Also, remember to turn in your homework when it is due. Since I now have a nifty computer program to track such things, I have a list of who is naughty or nice.  MISSED HOMEWORK WILL DIRECTLY AND SUBSTANTIALLY AFFECT YOUR GRADE.  NOT DOING/TURNING IN HOMEWORK IS LIKE GETTING AN "F" or a
*************************************"ZERO"*************************************

Like I've said before, science is a puzzle which gets more interesting as it  becomes more filled in and as more pieces get connected to other pieces.  The topics we've studies so far and the experiments we've done - the phase changes of matter, kinetic theory, Boyle's law/Charles' law/Bernoulli's principle, pressure and temperature, are all very tied together, even if at first they seem random and jumbled.  The puzzle is to put them together into the bigger picture and connect them to the things in your own life that you are interested in, like music or God or flying. Or explosions.

Al Gebra is not a terrorist organization...

math instruction, that is.

Actual weight of my van... more like 5500 lbs., so we were off by a bit.  Can you figure out our mistake?  Leave your hypothesis in the comments section below, and add it to your SJ notes from today.

2. Finish the Foot Pressure lab, answer the questions, turn in on Thursday.

3. Choose a demonstration to present to the class on Monday.  Email me your choice, because the first one to choose a particular demo gets it.  Also let me know if I can help with supplies--although mostly you should use your own household items.  The subject is Air Pressure, and I want you to try able to explain the how and why of your demo to the class, in terms of kinetic particle theory. (All matter is made of particles, in constant random motion, colliding with each other and with the walls of their container.)

Here a site s to check out:  http://www.thehomeschoolmom.com/top-ten-air-pressure-experiments-to-mystify-your-kids-using-stuff-from-around-the-house/

• Or Google "air pressure demonstrations"
• or YouTube it
• Remember to email which demo you choose; first come, first served.

4,  watch this video, in which a physicist explains why the tanker collapsed, and write down that explanation in your journal on the page about the crushed can & cartoon strip. (last Monday's lesson) 

How much pressure is on you?

The homework today is to finish up the What Is Pressure? lab from class, first the data table, and then the questions on the back of the page.  We will share our data on Monday.  Please staple your graph paper and the lab sheet together to turn in.

That's all, and have a lovely hot weekend.

Implosions and Explosions

***DON'T FORGET YOUR ART HOMEWORK- DO IT AND BRING IT!

1. Thursday's class:  we will begin  with a game of Twenty Questions --yes/no questions about the tanker--you be the detective to figure out what caused the implosion.  Yes, it was an accident. Someone was just not thinking!

Think of a few questions and write them in your SJs

2. Comic Strip explaining the sequence of events as we heated the water in the cola can and then plunged it into ice water.  5 Panel minimum, and show the  regular air particles as O's and the steam as X's. Use arrows ---> to represent Pressure.  Remember to put the  particles both in and out of the can, and to consider temperature and pressure changes as well what happens when stuff is heated or suddenly cooled. And also  consider the phase changes (liquid>steam or steam>liquid)

1. can with liquid water in the bottom and air particles above, also the particles outside the can
2. heat added, what changes inside and out
3. more heat added, more changes
4. can on its way into the ice-water bath
5. can collapsing

and always show what the particles are doing, both in and out of the can, as well as the pressure, both in and outside the can.

3.  Math Moment! You will need a soda can for this>>figure out the total air pressure on the outside of the can.      this is how:

• find the surface area of the can (cylinder) in inches 
• tutorial  here https://www.youtube.com/watch?v=gi7aaZ87EoQ
• multiply the surface area  by 14.7 pounds per square inch. (This is the atmospheric pressure at sea level).
• This is the total pressure on the outside of the can in pounds.
• Show your work in your SJ.

4. 28-minute video: Modeling the Unseen you will need to click on the VOD button for #4 probably twice

      and worksheet  https://drive.google.com/file/d/0B07s3-bcUr7tM3Z2N3FzN2gyZjA/edit?usp=sharing

*******Purple highlights are the checklist of homework to be done.**************

Just for the fun of it: EXPLOSIONS!!!

The Incredible Shrinking Marshmallow:

(and now the scientific title)
Exploring the Relationship Between the Volume of a Container and the Pressure of the Gas
Homework today is to write (or re-write) the Marshmallow Madness worksheet.
https://docs.google.com/file/d/0B07s3-bcUr7tcEJwT2xjNWU2bHc/edit?usp=sharing
Your hypothesis should be an "if-then" statement, your data will be drawings, and your conclusions should be a discussion of how this experiment supports the Kinetic Particle Theory.  Also refer to your textbook 16.3 under "Boyle's Law."

• All matter is made of particles
• All particles are in constant random motion
• and are constantly colliding with the walls of their container and with each other

To Think About:  What is the difference between a scientific law, a scientific theory and a scientific model?

REMINDER: Art homework is to completely draw the Pizza - 15 slices on the media paper, and be ready to paint next Thursday.

The ABC's of Gas Laws

This is Mr. Boyle

Marshmallow Lab >>> What a mixed-up class I gave this morning! I apologize for my brain-freeze, I actually worked really hard to put it together, but I tried to do too much at once.  However, here are some resources that will help you get a handle on how the Kinetic Particle Model explains the properties of gases
.

We are looking for the answer to these two questions:

• What is Pressure?  
• Explain how a gas is affected when pressure, temperature or volume is changed. 

 AND TAKE NOTES!

• Read textbook chapter 16.3 Behavior of Gases (pages 502-507)  Answer the reading checks as you go (in your book is OK) and  in your SJ -   What is Pressure?  (you may skip the math boxes)
• 
  
• click bold type highlighted words to see animations-- there are 3
• Explain how a gas is affected when pressure,     temperature     or volume is changed. (that's actually 3 questions--and drawing a diagram is helpful.) Did you click on the 3 animations?)

Marshmallow Lab ...  Here's the worksheet that's actually how we write up lab reports. https://drive.google.com/file/d/0B07s3-bcUr7tcEJwT2xjNWU2bHc/edit?usp=sharing Question: What two variables are we testing when we place a baby marshmallow in a syringe, seal it with our finger and adjust the amount of space? Hint: it's not the marshmallow! Tell me what you think in the comments below.
We will go over this on Thursday, along with some math, so bring your calculators.


Photocopy one page-spread of your science journal - your best - to turn in on Thursday.
Remember to take notes in class and when watching videos at home, and on each page there should be a drawing or diagram or graph or word-picture that stands out.  You should not skip pages, you should have titles and dates for each section, you should use pen.  Crossing out is fine, but avoid major scribbling or tearing out.  Read this paragraph one more time.

THis is OPTIONAL>>>

Great job on the thermometers!

Great job on the thermometers! if you are wondering where yours is, it is probably in my car, having gotten accidentally packed. For homework today:

1. Draw a diagram of your thermometer and write up an explanation of how this thermometer works, using our kinetic molecular theory [particles...motion...collide]

2. Finish up the lab report, if you have not yet done so.  (see last Monday's homework)  Turn in on Monday.

Next week I will have you turn in a photocopy of your "best page" science journal, and I may have a pop quiz on chapter 16.1.

Have a great weekend!


REMINDER FOR ART:   COLOR PIZZAS - MAKE A PATTERN ON THE HANDOUT - ONE OR TWO SLICES  OR ALL FIVE -- USE A WINDOW FOR A "LIGHT TABLE"

https://drive.google.com/file/d/0B07s3-bcUr7tYzNtY05KaFk3d0k/edit?usp=sharing

who ever though boiling water was simple?

1. What? you didn't complete last weeks homework?!?  Go back and make sure you really did all that you were supposed to, and that includes writing in your science journals --did you copy the graph on page 492?  Re-read that paragraph too.  And then  go here and press play...
http://www.alchemical.org/thermo/other/heatingcurve.swf

2. Watch the video here: http://www.nsf.gov/news/special_reports/chemistrynow/chem_ice.jsp
Write about 5 facts in your journal  Title+ 1,2,3,4,5.

3. Write up the lab report, neatly, to turn in.  One+ page double-spaced typed or pen. Turn this in for a "gentle" grade.  Due next Monday.  ...but start now.

• Title
• Question
• hypothesis
• draw the set-up
• data table
• graph
• conclusion

4.   Worksheet from class:   Comparing Celsius, Kelvin and Fahrenheit temperature scales, with math (use calculators).  [9/5 can also be 1.8].  Get help if you need it,   Answers  are here

On Thursday we will make our own thermometers, so if  you have a small jar or bottle with lid, bring that to class -- not too big and thinner is a little better.  Baby food jar, spice jar,  just not huge, and I will have some extras if you can't find anything.