Videos that might help you
Here are links to videos that you'll see in class, will help you study, or you might just enjoy watching

Crash Course (great for not only science, but history and english as well)

Kurzgesagt (weird name, great videos for all the sciences)

Minute Earth (good for both earth and environmental science)

NurdRage (for all three of you who like chemistry, check out this guys videos)

SciShow (quick, interesting videos that range over all the sciences)

SciShow Space (quick, interesting videos that range over all the sciences...... IN SPACE!)

Periodic Videos (need help reviewing for chemistry, I'm sure you'll find what you need here)

Sixty Symbols (need help reviewing for physics, I'm sure you'll find what you need here)