Striking a shorter stick and measuring its position with a motion sensor should help us simulate what is happening with a tine (or a xylophone bar or a guitar string) that is producing a higher note.

What length of xylophone bar would you strike to make a low pitch note?

Opposite Poles…

 If the distance represented by the letter A were increased, how would it change the way the sound was heard?  

How are electromagnets different from permanent magnets?

When you speak nothing is vibrating to create a sound.

The lines with arrows in the drawing are called __________. They are more concentrated _________. This is where the magnetic field is __________

The distance a magnet is from an object does not affect the magnet’s strength.

How do the vibrations from different sound sources compare for higher vs. lower pitch notes?  

Electrons are surrounded by an invisible force field.