This week I will collect all your work from the first three weeks, and we will review Doppler effect.
After spring break (which is next week), we will start into Acids and Bases, Chapter 4 in the textbook (I’ll post scans of the pages here shortly, in case you can find your book).
Contents of this post
Electromagnetic spectrum and Light: Turning in assignments and quiz. Due by Friday
- Turn in photos of your notes, using the Google Form here. (If you already emailed them to me, you don’t need to do this again). [10 classwork points]
- Complete Kahoot! challenge for Electromagnetic Spectrum and Light (this replaces the open notes test we had planned for when we returned to school). [10 quiz/test points]
- Complete the Check in survey (many of you have already done this, but click to make sure you recognize it). [10 classwork points]
Doppler effect review and electromagnetic waves
Doppler effect review
We covered the Doppler effect earlier this semester, but many other classes are seeing it for the first time. The assignment should be fairly easy for you, but I need to make sure you understand it. In this week, we will also look at the Doppler effect and how we determine the speed and direction of stars and galaxies.
Doppler Effect; Nova Runaway Universe: Moving Targets
This activity has two options; one for those with Flash on their computers, and one that doesn’t require Flash. If you can run Flash on your computer, that interface is a bit more interactive, but both interfaces provide the same information.
- Nova activity website (opens in new tab/window)
- Online worksheet questions (have open at the same time to answer while working through the activity)
Doppler effect across space: Redshift
The Doppler effect has been used to show that the universe is expanding. The video below is cued up to the portion that presents this, but feel free to watch the entire video from the start if you want to learn more…
For those who want more detailed information
While you don’t need to know these for class, some students may want to read/watch them.
- Read: Redshift: The Universe’s Doppler Effect.
- Watch: Edwin Hubble, Doppler Shift, and the Expanding Universe
Spring break, April 13-17
Make sure you have completed all the above work. We will be starting on Acids and Bases when we return.
Relax and enjoy your break; stay healthy. If you are looking for activities to keep you busy at home, check out my General science/educational resources.