Review

Hey fellow classmates, I'm Roxee and I will be the blogger for today's class.

Today, we watched a video titled : Vibrations and Sound. This video was practically a review of what we had learned in previous lessons. During this video, we had to jot down six points and hand it in by the end of the day, such things as: Amplitude = A, frequency = f, the normal is the equilibrium, time is stated as period and such. It also mentioned sound and light waves. Transverse and longitudinal waves were also reviewed, as well as interference. He then started to talk about Laser disks, which were practically like vinyl records but looked a lot like compact disks. We learned that the speed of the disk travels faster on the outside of the disk, rather than the inside.

Later on after the video, we received our tests back and went over the answers.

That's all for today kids. The next scribe shall be...

SONSON!