How to make a science project with pulleys levers and wedges?

Kay so my friend and I are making a science project on freshwater vs saltwater and the comparrisions and stuff. We need to ma...

In science class I'm making a visual of the Oceans and Continents. The visual can be a poster, powerpoint,video, model, etc. ...

I have this science fair project but I dont know what to do for it I need something simple yet complicated because it counts ...

I have a school project to do.using pulleys and levers. I am in grade 10 please help

Im doing my project on Asian Swamp Eel's... I need to know how they defend itself... pls awnser quick I need to know by wedns...

Does anyone know any good Science Fair proyects in the Physics Area? They need to be something 8th graders could do, not too...

I need a science fair project for school and my mom wont let me use animals so what are some good ideas

..just simple items that won't cost money??? Sorry, but i'm kind of desperate at this point, and we have no clay that i can u...

im doing a science project & I have no idea what to do!! if you guys have any ideas they will be appreciated.. so help me ple...

what are some ideas for a science fair progjet?