Student worksheets are provided and the experiements are great.
Frogs here is a fantastic site with lots of links about frogs.
Also a worksheet for students. Here's some great science experiments you can try at school or home, try the batteries experiment or lemon power. Includes animated diagrams and links. Check out other pages at this site which include, turbine and diesel engines. Check out the whole energy story at this site, concise information, covers, electircity, geothermal energy, hydro and nuclear an lots more.