Term |
Definition |
abiotic |
All of the non-living things in an ecosystem |
Chemical Change |
A change in the chemical composition of a substance caused by rearranging of atoms. |
Compound |
A molecule or substance containing two or more different elements |
convection |
energy transferred by the circular motion of liquids & gases. |
divergent boundary |
A plate boundary where two plates move away from each other. |
hurricane |
rotating low pressure area that forms over warm oceans and produces heavy rains & strong winds. |
light year |
The distance light can travel in one year. This is used to measure huge distances in space like the distance between stars or galaxies. |
metalloid |
Elements that sit on or just below the stair step line. They have properties of both metals and nonmetals. |
nebula |
A large area of dust and gas where new stars are forming. |
photosynthesis |
Process where producers use energy from sunlight to convert carbon dioxide and water into glucose and oxygen. |
producer |
Organisms that produce energy through photosynthesis that support the entire food chain. Grasses, plants, trees, bushes, etc. |
products |
The substances that are produced in a chemical reaction. Located on the right side of the equation. |
Radiation |
transfer of thermal energy through matter or space as electromagnetic waves |
reactants |
The chemicals that are reacting together in a chemical reaction. Located on the left side of the equation. |
valence electron |
The electrons located farthest from the nucleus that determines how chemically reactive the atom will be. |