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🟢❗ 8: Th 2/26 - momentum assessment
🟢❗ 8: Th 2/26 - momentum assessment
Momentum Unit Assessment TODAY!
Homework: none
🟩 8: F 2/27 - intro to electrostatics - charging
🟩 8: F 2/27 - intro to electrostatics - charging
Today, you will watch three videos and answer questions:
Please watch these videos in Google Classroom. The questions will pop up in certain parts of the video. If you are having technical difficulties with the questions in the Google Classroom assignment, you can alternatively view the questions in this question document. After you have completed the questions in all three videos, apply your understanding by completing 📄 Electrostatics Charging Worksheet (PH). If you have trouble with this worksheet, watch this video.
Homework: Finish the above work in Google Classroom by Sunday, March 1st at 10pm. The 📄 Electrostatics Charging Worksheet (PH) will be collected at the beginning of next class.
💚 8: M 3/2 - charging review
💚 8: M 3/2 - charging review
We'll start class by clarifying any topics from the videos.
Then, we'll assess our understanding of charging.
With the time remaining, you'll strengthen your understanding by doing ➕ Positive Physics Unit 21: Electric Charges & Force ("Work" section):
Conservation of Charge 1 (21.4)
Conservation of Charge 2 (21.5)
If we make a lot of progress on these Positive Physics Units, we'll have some time with problem solving for charging.
Homework: Finish ➕ Positive Physics above by 10pm tonight. No late work is accepted in ➕ Positive Physics. Rewatch any of the videos you think you could understand better.
Resource: The Physics Classroom - Electrostatics - review lessons 1 & 2
Need more practice? (optional) Check out this video.
Try to draw your observations for each step of the procedure on this hand-out - Electrostatics Lab. For example, your observations should look like this:
Then, draw the excess charges before, during, and after the each step. Once you draw in the charges, it should look like this:
If there are no positive and negative signs, that does not mean that there aren't any positive or negative charges in that location (of course you know there will be protons and electrons there), but rather it just means that there are an equal number of those positive and negative charges.
Also, if you aren't sure which will become positive and which will become negative when charging by friction, learn about the Triboelectric Series.
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