Practice Quiz #2 (79 - 87) Don't forget to click on "View your score" once you're finished!
Practice Quiz #1 (73 - 78) Don't forget to click on "View your score" once you're finished!
Phet simulations for physics are awesome. Check them out! (Require java, so has to be done on a computer)
For after #80:
Ted Ed about Newton's 3 laws - MUST WATCH - video (11:00)
Mythbusters - Car Crash Forces - video
Pendulum Wave Demonstration - video
Gravity: From Newton to Einstein - video
Momentum - Bill Nye - video
Biggest Vacuum Chamber - video
Egg vs. Egg - Slow Motion - video
Newton's 3 Laws with a Bicycle - video
120 mph Mega Crash - video
Free Falling in Outer Space - video
Penny Drop (MythBusters) - video
What is Terminal Velocity? - video