Energy and Matter Quiz 2

Have a great weekend!

Enjoy!

In case you need an extra copy, here’s the Periodic Table Game description and sheets we started in class after the first part of our quiz today.

Remember, you need to have your full list of elements and game pieces ready to go for the beginning of class tomorrow. You’ll receive your grade based on how well you know your stuff.

Let me know if you have any questions!

Make sure you know (and can point out) the following groups on a blank periodic table:

- Alkalines
- Alkaline Earth Elements
- Transition Metals
- Non-metals/metalloids
- Halogens
- Noble Gases
- Lanthanides
- Actinides

Enjoy!

- Atoms are made of protons, neutrons and electrons.
- Protons and Neutrons compose the nucleus of an atom.
- Electrons are found in orbit (shells) around that nucleus.
- Protons are positively charged, neutrons are neutral and electrons are negatively charged.
- An element’s atomic number on the periodic table is usually found at the top of the element’s square and is equal to the number of protons (hydrogen = 1, oxygen = 8).
- An elements atomic mass is the average number of protons and neutrons for an element. So, they usually have decimal points and are found at the bottom of an element’s square on the periodic table.
- Hydrogen is the only element that does not (normally) have a neutron and is the most abundant atom in the universe.

Check out the awesome PTable.com if you need some practice or a good online periodic table.

Also check out Jefferson Lab’s Atom Tour for a good refresher.

**Extra Credit Alert** +5 test points if you post an update to your blog describing the number of protons, neutrons and electrons, atomic number and atomic mass for any element (besides hydrogen). You have until 8 PM Sunday August 29, 2010 EST.

I don’t do many extra credit chances, so make good use of it

Otherwise, have a great weekend and let me know if you have any questions!

Using the six simple machines, design a contraption to pop a balloon.

- Your contraption must use all six simple machines twice.

- You must be creative.

- You must detail each of the steps involved in your contraption (i.e. “Step 1: A rock is rolled down a ramp…”)

- You must include calculations for velocity, acceleration, force, pressure, work and power in your contraption’s description.

This thought experiment is worth a total of 10 points.

- Newton (kg x m/s2) = Force
- Pascal (n/m2) = Pressure
- Joules (n x m) = Work
- Watt (j/s) = Power

Quiz tomorrow using these formulas.

Let me know if you have any questions!

Make sure to bring your book to class. You will need it for the quiz worth 10 points.

Want a sneak peak and/or a headstart?

Here it is.

Good luck! I’ll miss you all (yes, all of you)!!

I’ll have your grades posted on MyGradeBook.com sometime this evening after I’m done grading (and after the big Asheville Holiday Parade today!)…

Quiz 8: Density, Energy, and Gases
Physical Science 8
November 20, 2009
Mr. Harrelson

It is the year 2024.

You are 28 years old.

You have just finished your doctoral thesis on high energy physics at M.I.T. and have accepted a position at Stanford University where you’ll be teaching graduate level physics and continuing your research on Calabi-Yau manifolds.

Mr. Harrelson is 47 and has been called upon by NASA to travel to the moon for an expedition to search for boron and squirrellium. He must leave the Fall semester early to begin his arduous training. However, he still has Fall exams to give to his students at Spartanburg Day School.

So, Mr. Harrelson gives you a video call and asks you to come give his Fall Exam at Spartanburg Day School to a group of 8th graders…

–

You’re assignment for this quiz is to compile the information you’ve gathered these past 10 days on volume, density, the types of energy and gas laws and come up with two possible exam questions (and their possible answers). You must turn this in at the end of the class session today.

Your grade will be determined on how well I can discover what you’ve learned from our studies of this material.