Relativity

Describe time dilation.

The Earth Orbits

Describe an apogee compared to perigee.

Are they real?

Describe the difference between a worm hole and a black hole.

Newton

Give the reason Isaac Newton had his apple incident.

Welcome to 2011

Greetings to you all.  I hope you had a restful break.  We are going to start off in the new year running.  Hopefully you can keep up.  What steps would you take if you begin to fall behind?