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Science Vocabulary
HiSet Science Vocabulary
| Term | Definition |
|---|---|
| abiotic factors | non-living resources |
| acceleration | rate at which an object changes velocity; change in velocity divided by time |
| acid | substance formed from hydrogen ions in water |
| adaptation | trait found in most members of a species |
| allele | part of a chromosome where genes are foud |
| amino acid | `building block of proteins |
| antibody | substance produced by the immune system to destroy pathogens |
| atom | smallest particle into which an element can be broken down and still have the properties of the element |
| Atomic Mass Unit (AMU) | average mass for one atom of an element |
| bacteria | one-celled organism that has DNA |
| balanced equation | a chemical equation in which the number of each type of atom appears on both sides |
| base | substance formed from hydroxide ions in the water |
| bias | anything that sways an experiment's or study's results in a way that makes the inaccurate |
| biotic factors | living resources |
| calorie | a measurement of energy |
| carbon cycle | a process that keeps the carbon on earth in balance |
| carrying capacity | the maximum population an ecosystem can support without losing resources |
| cell | the basic unit of life |
| chemical change | a change in which the chemical identity of a substance is changed |
| chemical property | a property that can be observed only when a substance takes part in a chemical reaction- toxicity, flammability |
| chemical reaction | process in which atoms of one or more substances rearrange and change how they are connected to form at least one new substance |
| chromosome | structure in a cell that contains DNA |
| commensalism | a relationship which benefits one organism while the other i neither harmed or helped |
| compund | a pure substance containing a specific ratio of two or more chemically bonded elements |
| conclusion | decision reached by using data and information |
| conduction | transfer of heat through direct contact |
| consumer | an organism that must eat other organisms to obtain energy |
| control variable | factor kept the same or constant during an experiment |
| convection | movement of heat through a liquid or gas. |
| crust | uppermost layer of Earth |
| current | a large movement of water |
| density | ration between volume and mass (Mass divided by Volume) |
| decomposer | an organism that fees off the dead body of a once-alive organism |
| digestion | process of breaking down food into components the body can use. |
| DNA | double-stranded substance that contains genetic "blue print" of an individual |
| dominant | this phenotype is ALWAYS present |
| earthquake | a sudden vibration in the earth in which plates slip past each |
Created by:
Beth Butterfield
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