Video lecture on why we use science to understand our natural world and the process of the scientific method to come to a conclusion.
Explains the difference between a law and a theory in science using relatable examples. Learn why it is important to know the difference.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Atmospheric carbon dioxide levels reach 400 ppm and no one knows what the outcome of this experiment will be.
Charles David Keeling began measuring atmospheric carbon dioxide levels on top of Mauna Loa volcano in 1958. These data are extremely valuable in showing how fossil fuel burning is adding carbon to the atmosphere.