Hello My Name Is...

David Van Leeuwen

This is my 11th year teaching at CHHS. 

Useful links for Chemistry:
Khan Academy Youtube Channel: https://www.youtube.com/user/khanacademy

Chemist Nate Youtube Channel:
https://www.youtube.com/user/chemistNATE

Crash Course Chemistry
https://www.youtube.com/watch?v=FSyAehMdpyI&list=PL8dPuuaLjXtPHzzYuWy6fYEaX9mQQ8oGr

Please let me know if I can help you in any way. I am here to help you learn and appreciate science!