Not with modern science, however advances in energy weaponry have been made though only to the point of lasers. Not localized, compact energy constructs.
make it using your hands
Speaking from past experience, soybean projects always do well in science fairs. The soybean industry is growing and so a child that demonstrates a project growing soybeans or using them to make a product could do really well in a science fair.
you can get a two litter and put a mint in it to make it explode.
Science is the pursuit of knowledge. Having a lot of knowledge and education can help people to do more in their lives, thus empowering them. They could make big discoveries that make a major contribution to society.
Science is organized into branches based on a great many things. These branches could be based on chemical make up for example.
he does the first level rasengan + his wind nature & concentration
yes
Use your ninjutsu
Essentially,science is everything and everything is science. You hitting youre foot on a nail could be science because one could experiment and try to see what was the cause of you making that injury, you using youre throat to make certain tones in dialect is also science because one could test and experiment with which muscles in the throat make which tone. the list goes on
E+
make it using your hands
Because science is developing, it could make technology better which means that it could be useful but if there is no politics, there would be science
the rasengan was a move invented by the 4th hokage, I dont really understand what your asking but I can explain a bit about it. The rasengan was a move that was not fully developed so the 4th hokage named it rasengan knowing he could not go any further with it. Naruto (in naruto shippuden) did some intense training and learned to develop the rasengan with his wind style chakra to make the ultimate move. He created rasengan wind shuriken which he called rasenshuriken. The Rasenshuriken creates countless microscopic wind blades. They sever all the nerve channels in the body and they also attack all the chakra points. Sorry if I didnt answer your question properly. Not even medical ninjutsu can repair the damage done.
i am observance to the science project
How to make A science project using waste materials topic depends on what your topic is. One option is making a topic about the effects of pollution on our environment using waste materials.
you can make goo by using alcohol and borax, mix them together and there you have it!
you could make observations and ask questions, then make and test your own hypothesis.