What's a cool science experiment on gravity?

well im sometimes bored at home wondering what to do so do you know any fun science experiments that I could do at home???

I am doing my paper on gravity...so my experiment should be on gravity but what in the world could I do? im in 12th grade so ...

I have a science expirament due in like 3 weeks but I have no idea what to do! it has to be something like which brand of pap...

state 2 effect of the force of gravity on object

Who was known as the father of science in ancient greek times?

What are three types of bacteria that photosynthesize? Not hw question =p

What are some good science fair project ideas?

Can I get a job dealing with forensic science with a BS degree or do I need a masters degree?

I got a relly bad grade in science do you guys any adive to get it by febery 29

I'm doing a school project on science and it as to do with my body I'm not shorre if I should do it on myslef of not...but I ...