Learn what ATP is in biology and chemistry. Learn the functions of ATP and get interesting adenosine triphosphate facts.
Anne Helmenstine
Learn what the shortest day of the year is in the Northern Hemisphere and Southern Hemisphere and how it relates to the solstice.
What Is the Shortest Day of the Year? Winter Solstice
Learn about photons in physics. Get the photon definition and fun facts about this interesting unit of light.
What Is a Photon? Definition and Facts
Learn about the Pauli exclusion principle in chemistry and physics and how it applies to the electron configuration of atoms.
Pauli Exclusion Principle
Get examples of bacteria in everyday life. Learn where they occur, their properties, and whether they cause infections.
Examples of Bacteria in Everyday Life
Get the amide definition and examples in chemistry. Learn about both the functional group and compounds that are amides.
Amide Definition and Examples in Chemistry
Learn about the types of variables in science experiments. Get examples and learn how to identify each variable.
Types of Variables in Science Experiments
Learn what a scientific law is. Get the definition and examples and learn how a scientific law differs from a scientific theory.
Scientific Law Definition and Examples
Learn whether it can be too cold to start a fire and whether you can extinguish a fire using a cold temperature.