For Astronomy - Will the sun ever cool down and eventually causing a supernova wiping the whole galaxy clean?
This question of are pulleys a good science fair project is up to the person choosing the project. If you like it then you should do it. If not then don't do it. The choice is up to you.
yes but you have to have a topic question to ask
-What do they eat? -Where do they live? -How big are they? -How long do they live? -What kinds are there?
yes for a good science fair you would you need a title, question, aim, abstract, hypothesis, method, variables, results, conclusion, bibliography and thanks
Light it up! Burning question - does color count?
Decomposition, energy, light, electricity, and photosynthesis are all good science fair topics
life science
candy science
Is the question, 'ARE you doing a science fair project on recycling?" Well, I'm not. My school doesn't have science fairs. XD
Yes. It is a great science fair project. Easy and fun
google.com or science fair projects.com
a good science fair project about energy is a water cycle and would be put in the Energy Awareness category