Learn about the law of conservation of mass. Discover when it does and does not apply and get examples in chemistry and biology.| Science Notes and Projects
Learn what a reactant is in chemistry. Get the definition and examples and learn how reactants differ from reagents.| Science Notes and Projects
Learn about the main types of chemical reactions and their names. See examples and chemical equations for each type of reaction.| Science Notes and Projects
Learn how to make water from hydrogen and oxygen. See why the method isn't used to make drinking water, but is used in fuel cells.| Science Notes and Projects
Get fossil fuel examples and learn about the uses of different forms of fossil fuels. See the two main concerns with this energy source.| Science Notes and Projects
Learn about chemical energy. Get the chemical energy definition and examples and learn how chemical energy changes into other forms.| Science Notes and Projects