First, and most dangerously, the electric pickle:
http://www.YouTube.com/watch?v=XqXbhFFzbxw
Simple volcano or explosions out of loosely-capped containers using small quantities of acetic acid (vinegar) and baking soda.
Mentos and Diet Soda.
Using tongs, boil a small amount of water in a soda can over your range. Invert the can over some ice water, it will implode.
Use pH paper to test the pH of different household liquids such as: bleach, water, bottled water, rain water, apple juice, orange juice, vinegar, window cleaner, etc...
Determine the speed of light using a microwave and marshmallows or chocolate:
http://www.physics.umd.edu/icpe/newsletters/n34/marshmal.htm
People should add more, this is never really "answered." If I think of more, I will add them.
A science project that has variables can be an experiment that aquires for variable change.
science experiments? ususally iodine and leaves, if you're a biologist of some sort...
science experiments? ususally iodine and leaves, if you're a biologist of some sort...
Experiland offers one of the highest ranking selection of books containing science projects and experiments aimed at kids. Some other examples of such books may include Everything Kids Science Experiments Book and elementary level science text books.
Check out http://www.sciencebob.com/experiments/index.php for some ideas. There are tons of experiments listed, you should be able to find something fun.
Tu madre
I'll link you to a great kit I recently bought that has tons of beauty experiments in it. I love it!!
In science you do experiments and observe things
Some are different experiments so theres no right answer.
What is the difference in the hardness between glass and fiber glass
Some science experiments involve substances that would be dangerous to get in your eyes.
There are several science related websites that offer information on experiments. Some popular sites include PBS Zoom Science, Mad Scientist Party, and Steve Spangler Science Experiments. These websites will provide you with fun and easy experiments that both kids and adults can enjoy.