Why is it a bad idea to put weed killer on your vegetable garden?

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...

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

I have this assignment and I need to know what people put in Glow sticks.... I have searched and haven't found anything

ok so I have to do a sience fair relly soon and I havent selected a topic yet I need a fun interesting topic well it doesnt h...

if a person has bad lungs,because they have suffered from heart problems. and do not get enough oxygen to there brain. does i...

So I read an article that says you can now build a drone plane for $490 that's autonomous...couple that with some creativity,...

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

Okay, so I'm clueless on what I want to do for my upcoming science fair project. I cant afford a lot..so I need some ideas to...

Alright, so I've embarked on another story. There's going to be a lighthouse in it, but it's set in a time where there's no e...

I need help picking a science project that I should do im in the 8th gradee! and it has to be in one of these categories. Mo...