Hon Chemistry 10-28-21 Chemical Formulas with Polyatomic Ions

HON CHEMISTRY: Great job today! Remember it’s like baby steps, first binary ionic compounds, and now, formulas with polyatomic ions. Begin learning them now! And practice, practice, practice!!

Another great idea, click here for a copy of the Hints for Naming Chemical Formulas Flow Chart, or find it under the Worksheet/Handouts Tab. Follow it every time you name chemical formulas!!


flickr photo by skycaptaintwo

Chemistry 10-28-21 Energy, Heat & Temperature

CHEMISTRY: Great discussion today on the difference in heat and energy! Can you apply what you know? So why did that paper cup of water not burn in the Bunsen burner flame? And you boiled water in it? Awesome! And a great topic for discussion!

Today’s lesson is below, and blow that is another take on the explanation for boiling water in a paper cup.

Now what about that test tomorrow? Are you ready?!


Photo by Yaoqi LAI on Unsplash

Boiling Water in a Paper Cup

Hon Chemistry 10-27-21 Binary Ionic Compounds Formulas & Names

HON CHEMISTRY: Great start on writing and naming chemical formulas! What’d you think? Do-able? Absolutely!!

Today we concentrated on binary ionic compounds today with a short look at compounds with polyatomic ions. We’ll go kind of slow to begin with, but make sure to take time to practice, practice, practice, and learn it step by step. You’ll be as lost as ball in high weeds if you let yourself get behind!


flickr photo by ludie cochrane

Chemistry 10-27-21 Chapter 1 Test Overview

CHEMISTRY – Are you ready? God bless you as you study! Here’s our overview of chapter 1 and the test – good stuff!!

Make sure you aren’t just reading your book and notes. First, memorize the facts, then go back and make sure you can apply the concepts. Study examples, make your own examples, practice making questions. And don’t forget, if you are getting lost with everything you need to know, or if you’re not sure how to study, Chapter 1 Stuff to Know Sheet under the Test Info tab.

Don’t forget the Chapter 1 Pre-test. It’s due Friday morning at 8:00 A.M. Scroll down here on the web site for the web post from yesterday to find it.

If you want some interactive practice for the test (GREAT IDEA!!) here are a couple of great reviews from The Physics classroom. These are optional, so sign on as “Guest” if you want to do them:
Chemical vs. Physical Properties
Metals, Nonmetals & Metalloids
Classification of Matter

Also remember there are great review games that are in the Student Premium section of the online textbook. You can do this – I believe in you! I’m praying for you!!


Image source wordle.net

Chemistry Chapter 1 Pre-Test Due Friday

CHEMISTRY: Here’s some GREAT practice for the test – a Chapter 1 Pre-Test. Fill in your answers below. When you are finished, be sure and click Submit and check to see which ones you missed.

UPDATE: This is the new Thursday night homework (and you can also work ahead). Use it to study for the test! It’s due by 8:00 AM Friday morning. Let’s see what you know! 🙂

Here is the link: Chapter 1 Pre-Test

Chemistry 10-26-21 Elements & Intro to the Periodic Table

CHEMISTRY – Wow! Do you realize what we just did?!? We finished the chapter!!! Did you feel like today was mostly review?

There are three elements that you will research for the test – Cu, Si, and P. A great resource to research the elements (and the only one you need besides the textbook) are these video clips on copper, phosphorus, and silicon that a group of chemistry researchers have put together at www.periodicvideos.com. Watch these and take notes. The information on these video clips will be on the test.. If you can’t get the phosphorus video to work, use this link on YouTube https://youtu.be/LSYLUat03A4

Hey, have you had a chance to check out the chapter 1 study suggestion sheet? Let me know if there is anything you need help with before the test! (And you’re still learning the symbols of the elements, right?!?)
🙂


flickr photo by Geoff Jones

Physics 10-25-21 Did the Hammock Crash? and A Street Sign Askew

PHYSICS: Great work today thinking through these problems! How you look at problems from the beginning can make a huge difference – huh?

A couple of things that work for me when doing equilibrium, etc., problems – first, draw them. Then go back through and separate resultants into components. If an object is in equilibrium, then there are no net forces – all the forces in the x direction balance – everything left equals everything right, and all the forces up equal all the forces down.

You’ve got all the ammo you need, now go forth and conquer pumpkins! And Zorba!!

Answers for the Equilibrants II worksheet are below:

  1. Fn = 3430 N upward against feet
  2. Fn1 = Fn2 = 1890 N upward on each foot
  3. F forward = 4.59 N
  4. T1 = T2 = 1760 N
  5. T1 = 1360 N and T2 = 680. N


flickr photo by Nomadic Lass

Chemistry 10-25-21 Classification of Matter

CHEMISTRY: Here’s a mixture that looks like it might be worth investigating – bacon caramel popcorn! I mean, I like bacon and I like caramel popcorn, but bacon caramel popcorn? Hmmmm….

So now that you know about mixtures, could you figure out how to separate one? Keep these notes handy!


flickr photo by joyosity