Robert Krampf makes science interesting and understandable. Even better, with his experiments and science videos, he makes science fun. There's lots of free stuff scattered on his website, and even more to enjoy if you're a paying member.
A year's membership costs $20. Is it worth it?
Published
by
Leah Witmond
(1,296
pts
)
on
Feb 23, 2009
to
K-12 Learning Reviews