Energy
Found in electromagnetic waves such as visible light, ultraviolet rays, infrared rays, gamma rays, and radio waves
Radiant (light) energy
the branch of chemistry concerned with the quantities of heat evolved or absorbed during chemical reactions.
Thermochemistry
What is a chemical reaction that releases energy by light or heat?
What is a a substance that changes in a chemical reaction?
Reactant
The transfer or flow of thermal energy from one system to another
Thermal (heat) energy
What is any chemical reaction that absorbs heat from its environment?
Endothermic Reaction
What is the ending substance called when two substances come together?
Product
What is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water?
Photosynthesis