Useful Links
BrainPOP
https://www.brainpop.com
Feel free to explore the resources on BrainPOP. There are videos, games, and more to explore.

Desmos Calculator
https://www.desmos.com/scientific
The University of Colorado in Boulder has built this site up with realistic simulations of various scientific concepts. The concepts range from simple to complex. If you have errors that talk about using Flash, try the HTML5 link in the left menu.

Khan Academy
https://www.khanacademy.org
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside the classroom. 

PhET
https://phet.colorado.edu/
The University of Colorado in Boulder has built this site up with realistic simulations of various scientific concepts. The concepts range from simple to complex. If you have errors that talk about using Flash, try the HTML5 link in the left menu.

Ruler Game
http://rulergame.net/
Play the Ruler Game and see how high a score you can get. Having the timer on earns your bonus points the longer you can survive. Change the increment level to raise or lower the difficulty. If you feel the Standard system becomes too easy, try the Metric Ruler Game.