Wednesday, May 22, 2013

Tuesday, May 21, 2013

TED- Hack a Banana

Daily: Define conductivity. Did you see anything that was conductive that you did not expect to be a conductor?

Thursday, May 16, 2013

Sound Wave Breaking the sound barrier

Daily Question: What causes the cloud around the jet?

Gravity Supersonic Free Fall

Free fall from space
Daily Question: How fast was he falling at his fastest point? Draw a picture and label the forces acting on him.

Wednesday, May 15, 2013

Rube Goldberg Music Video OK Go

Daily Questions: What simple machines did you see? Do you think this was filmed all at once? Why or why not?

Friday, May 10, 2013

What? A cockroach dissection? Sound Waves? Electric signals?

This is great!
He actually dissects a cockroach on stage, hooks it up to a speaker and makes it move based on the electric signal produced by the sound. Lots of good possible daily questions. Since I am focused on sound right now I am basing it on that. Daily Question: What type of speaker produces a low frequency sound? Draw a picture of what that wave might look like.

Electricity Vocabulary

This video is really interesting. It looks at the history of the vocabulary we use when we talk about electricity.

Daily Question: Where did the word Electron come from? Electrics? What did Ben Franklin add to our knowledge of electricity? What trick did he play on others?

History of Optics, Color, Glasses

Daily Question: What historical event resulted in more people needing glasses? What observations did Galileo make? What causes something to be a color?

Tuesday, May 7, 2013

Big Bang Theory Doppler effect.

Daily Question: What is the Doppler effect? Does it only apply to sound waves?

Resonance Fat Lady Signing in Harry Potter

Daily Question: Define Resonance.  What was wrong with the Fat Lady's voice?

Wednesday, May 1, 2013

Archimedes bath

I always tell this story! This illustrates it so well.
Daily Question: What is the formula for density? Is density a constant? Why?

Animals and sound

17 minutes long, but totally worth it.

Daily question: Why does sound travel so well in water?

Color and waves

This is a great video describing waves and color.

Daily question: What color is the lowest wavelength? Which is the highest?

Hearing color

A little advanced, but really interesting.

The smallest ideas- Ted