There are a number of online resources you can use to further aid your learning in class, or use to help with revision. Some of the best ones can be found here:

WHOLE PAPER VIDEOS (HIGHER)

Primrose Kitten has some great videos that tell you everything you need to know for each science paper you will sit. Here they all are (higher students):

WHOLE PAPER VIDEOS (FOUNDATION)

Primrose Kitten has some great videos that tell you everything you need to know for each science paper you will sit. Here they all are (foundation students):