it generally goes down.
A volcano or Christal
volcano
You can do anything in a science fair a popularly choice is too do a volcano!
volcano experiment
Do a classic, a volcano!
a volcano<3
The best science fair project is the one with a volcano. Build a volcano out of PlayDoh or clay and then use vinegar and baking soda to make it erupt.
it erupts the same as a full sized magma filled volcanoe therefore a both volcanoes erupted the same way
make a volcano
One easy experimental design for a science fair project is to make a volcano. To create a semblance to lava use baking soda and vinegar. This will spew out of the top of the volcano.
pulley I vote for a working volcano complete with dinosaurs around it
Hot Head Peak