PHYSICS 11-14-18 Vertical Fish Forces & Forces with Pulleys and Friction

PHYSICS: Not sure if you’d ever find a fish on an elevator, but you sure could treat the problem like it was! Here another look at that problem, and then, a different take on forces – an application of horizontal forces, vertical forces, friction, all at once!

Wow! Amazing job solving these problems – can you now go see if you can solve them by yourself? God bless you as you study! I’ll be praying for you!

SNOW UPDATE – Help session and test are still tomorrow – unless by some remote chance we are out of school because of the weather. In that case, we’ll move everything to Friday.


flickr photo by Elisa Dudnikova

Physics 11-13-18 A Look Back at Chapter 4 Concepts

PHYSICS: Leaves gracefully falling – can you apply concepts from this chapter to explain? Practice, practice practice the problems, but don’t forget the conceptual stuff! Here’s our short look at some additional concepts.

How do parachutes work? What causes whiplash and how do seat belts work? If you get a chance, watch the Julius Sumner Miller videos on Newton’s 2nd law and 3rd law on You Tube. And also, here’s the link to the video clip I showed you on terminal velocity and the Physics of Skydiving I think they’ll all help a lot with the conceptual information

Tomorrow – one last look at the problems, and test Thursday! 🙂


Photo by Sandis Helvigs on Unsplash

Chemistry Assignment for Monday, November 12

CHEMISTRY: Happy Monday! Here’s your assignment for Monday. Read the instructions below very carefully!! (If you have done this assignment already, do it again – but it’s different! The practice will be very helpful for you!!)

Today you’ll practice again on http://www.sciencegeek.net, but instructions for today are different. Today you will need to write the question, and then beside it, the correct answer, and you must turn in your work on notebook paper – but you only have to do 15 compounds correctly from each section. When you get 15 done correctly in each section, you may stop and go on to the next section. Skip a line between each compound. You may write on the back.

Go to http://www.sciencegeek.net, go to Chemistry, click on NEW Review & do the following. On your notebook paper, write the question, and then beside it, the correct answer. BE SURE AND CHECK YOUR ANSWER. This assignment will be graded for accuracy.

Label each new section, and skip a line between each question.
1)  Unit 3: Binary Ionic Compound Formulas (Don’t forget that you DO have to put charges for the ions in the formulas when you show your work!)
2)  Unit 3: Ionic Compounds Involving Polyatomic Ions (Don’t forget that you DO have to put charges for the ions in the formulas when you show your work!)
3)  Unit 3: Binary Covalent Nomenclature (Don’t forget that you DO NOT put charges for the ions in the formulas when you show your work. Prefixes are the subscripts!)

You must have 15 correct answers from each section before you can turn in your work. The assignment is due at the end of the period. If you finish early, use your time to practice other things for the Ch 7 Pre-test quiz.

Hon Chemistry Assignment for Monday, November 12

HON CHEMISTRY: Happy Monday! Here’s your assignment for Monday. Read the instructions below very carefully!! (If you have done this assignment already, do it again – but it’s different! The practice will be very helpful for you!!)

Today you’ll practice again on http://www.sciencegeek.net, but instructions for today are different. Today you will need to write the question, and then beside it, the correct answer, and you must turn in your work on notebook paper – but you only have to do 12 chemical formulas/naming compounds correctly from each of the first three sections below and 2 empirical formulas problems from the last section. When you get the set amount done correctly in each section, you may stop and go on to the next section. Skip a line between each compound. You may write on the back.

Label each new section, and skip a line between each question.

Go to http://www.sciencegeek.net, go to Chemistry, click on NEW Review & do the following. On your notebook paper, write the question, and then beside it, the correct answer. BE SURE AND CHECK YOUR WORK. This assignment will be graded for accuracy.

1) Unit 3: Binary Ionic Compound Formulas (Don’t forget that you DO have to put charges for the ions in the formulas when you show your work!)
2) Unit 3: Ionic Compounds Involving Polyatomic Ions (Don’t forget that you DO have to put charges for the ions in the formulas when you show your work!)
3) Unit 3: Binary Covalent Nomenclature (Don’t forget that you DO NOT put charges for the ions in the formulas when you show your work. Prefixes are the subscripts!)

Next, go to http://www.sciencegeek.net, go to AP Chemistry, click on Review & do 2 problems in the following section. On your notebook paper, write the question, and then underneath it, your work and the correct answer. BE SURE AND CHECK YOUR ANSWER. This assignment will be graded for accuracy.

4) Chapter 3: Stoichiometry – Finding Empirical Formula from Mass Percent (Be sure and include units!!)

The assignment is due at the end of the period. If you finish early, use your time to practice other things for the Chapter 7 Test!

Hon Chemistry 11-8-18 Polymers

HON CHEMISTRY: Oh, my word! We finally finished the chapter! Have you had a chance to check out the Chapter 7 Stuff to Know sheet?

Also amazing – did you realize molecules could be that large? And so many of them! Don’t you think polymers are some pretty unique compounds? Let’s play with them tomorrow!

Some items for contemplation: why are certain plastics recyclable and others not…and what about dishwasher and microwave safe?


Image source: http://www.packtech.ca/pb/images/img32161428fffbe41e07.jpg

Chemistry 11-7-18 Oxidation Numbers & Pre-Test Quiz Info

CHEMISTRY: One man’s rust is another student’s lesson in chemistry! Great job today with oxidation numbers. Now it’s time to go and practice applying them!

God bless you as you study for the Chapter 7 Memorization Quiz tomorrow! You need to have memorized (and be able to use!!): polyatomic ions, monatomic ions (but you can get these off the periodic table), acids, prefixes, and how to write and name chemical formulas. Click here for a copy of the PERIODIC TABLE you’ll use on the test – if you want to practice using it on your own.

Need help? Help session tomorrow morning, 7:20ish 🙂

That’s a lot, but you can do it! And make double dog sure you are working hard at practicing it all now!!


flickr photo by scottwillis

Physics 11-7-18 Friction & Forces on an Incline Problems Review & Help Session

PHYSICS: Boxes and block, all slipping and sliding… Is it starting to make a little more sense? Here’s our review of of some of the homework problems from today – #36, 40, and 41 (I think). Below the lesson for today is the help session from this morning. It has #46 – the “girl on a sled coasts down a hill” problem.

Here’s the thing. You can watch me or someone else do a thousand problems (okay, maybe not a thousand – but a lot!), and it won’t help. I don’t want you to copy what I do, I want you copy why I’m doing it. Make sense? You’re getting it…keep sledding and watch out for net forces!


flick photo by Eva the Weaver

Help Session

Chemistry 11-6-18 Binary Molecular Formulas

CHEMISTRY: Do you feel like you have letter and numbers swimming in your eyes? This is one of those times that paying attention to details is super, super important! Here’s the lecture from today on writing formulas and names for binary molecular compounds. Part of it’s really similar to what you learned to do last week for ionic compounds, but another part is totally different. Details!!

Make sure you keep everything straight. Do something that will organize all the information for you, so you won’t get confused. Also, don’t forget the lists you have to memorize – it’s getting larger and larger!! And practice, practice, practice!!!

Need extra practice? Another help session??


flickr photo by Roger Smith