CHEMISTRY: Now that you’ve learned to write and name chemical formulas, it time to take it to the next level and learn to use chemical formulas as a tool. Woohoo!!

Great job today with formula mass and molar mass! Be sure and show your work – and don’t forget to include the units!! (FYI – at the end of the vodcast is a look at tomorrow’s test!)

Photo by Hunter Haley on Unsplash

PHYSICS: Who knew snow skiing could be so complicated! Well…friction problems on an incline anyway. First – here’s our our look at the homework wit forces at an angle. Next, our discussion of friction problems on an incline.

Remember, drawing the diagram is super, super important. Label all the forces and apply the concepts you know about net forces and resultant forces – let it tell you a story. 🙂

Here is some info you might find helpful in the future:

flickr photo by t i g

HON CHEMISTRY: So how are the chemical formulas and chemical names coming? With oxidation numbers, you now have a few guidelines to help polish up what you already know!

Oxidation rules! We’ve really already been using oxidation numbers, you just didn’t know it! 🙂

flickr photo by scottwillis

PHYSICS: Why don’t things that are moving just keep moving? And then what happens to your applied force when you pull or push something at an angle? Major recording challenges, so here’s the vodcast from last year.

Super important to remember – it’s not forces, but net forces that produce acceleration. So this means there are a couple of different ways to look at Fnet – a whole made up of parts and something that produces accelerations. Good stuff!

Another good reminder – you can find Ff a couple of different ways – it’ll be part of a net force equation and can be found from the coefficient of friction equation. If and ONLY if your object is moving at a constant velocity, Ff will equal Fa. Fn is only sometimes equal to Fw. If your object is pulled at any angle (or pushed), Fn will be a part of Fnet in the vertical direction.

Whew! 🙂

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HON 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! We had trouble with the recording today, so here’s a lecture from the past on writing formulas and names for binary molecular compounds.

Part of what you’ll be doing is really similar to what you learned to do for ionic compounds, but another part is totally different. Details matter!! So 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? Help session?

flickr photo by Roger Smith

CHEMISTRY: Awesome job today beginning to write your first digital lab reports. Be sure and follow very carefully the directions in the Lab Manuscript Form handout. If you need another copy, it’s under the lab tab. Everything in that handout is an important guideline for writing your lab report.

For an overview of your workflow as you write up labs, be sure and check out the Lab Report Turn In Info sheet under the Lab tab.

Photo by Glenn Carstens-Peters on Unsplash

PHYSICS: Awesome job working through the Zorba problem today. Loved, loved, loved watching you brainstorming, collaborating, and applying information you’ve previously learned!!

Now…can you go and do the Zorba problem on your own?

flickr photo by Claudio Gennari