How to Make Solid Tires?

Answer Today, automobiles exclusively use pneumatic tires -- those filled with air -- but this was not always the case. Earlier automobiles rolled on tires of solid rubber until people realized that pneum... Read More »

Top Q&A For: How to Make Solid Tires

Why aren't tires solid rubber?

Well for one the ride would be much worse if you had solid rubber tires. Every bump would be felt.But more important than the ride is the fact that tires are very complicated parts of a car. The ... Read More »

How to Make Solid Perfume?

Solid perfume is a great way to carry your favorite scent with you and save money at the same time. You can fill old compacts, pillboxes and even watch cases with the solid perfume. ... Read More »

How to Make a Solid Perfume Bar?

You can make solid perfume bars at home with very few ingredients. Purchase these at a local perfume or beauty shop (find soap molds at local supermarkets). Sample different essential oils--citrus,... Read More »

How to Make a Liquid Into a Solid?

Matter exists in three basic states: solid, liquid, or gas. Try this science project to see how it is possible to change the state of a particular solution or compound using several methods, from v... Read More »