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 how to write a hypothesis with this step-by-step guide. Get hypothesis examples and free PDF worksheets to download and print.| Science Notes and Projects
Get the scientific theory definition and examples. Understand theory uses and limitations. Learn how a theory differs from a law in science.| 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
Learn about heat in thermodynamics in physics and chemistry. Get the heat definition, formulas, and example calculations.| Science Notes and Projects