The color grey. =3 I did the same project.
There are tons of projects that can be done in a science project using inexpensive ingredients. One project you can do is using dry ice and liquid soap. Another project you can do is get some hydrogen peroxide, liquid soap and active yeast.
i AM DOING THIS PROJECT AT MY SCIENCE FAIR
Do a project on "light intensity minimization using glasses..."
i am observance to the science project
When they first started using colored lights as signals they discovered that some people couldn't tell them apart. So employment physicals began to test for color blindness.
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.
I wouldn't eventuate a project for science.
Organic battery.
1% solution is what we are using for our class project
some type of diorama i guess.i did that for my 2nd grade project.
In most science projects one would use distilled water
Sweet or Sour, A Lemon Experiment