FCAT Science Vocabulary 2
Terms
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- density (population)
- number of individuals in the same species that live in a given area
- density (mass)
- the mass per unit volume of a substance in a given area
- deposition
- layering matter in a natural process
- earthquake
- the shaking of the ground caused by a sudden release of energy in Earth’s crust
- ecosystem
- an integrated unit of a biological community, its physical environment, and interactions
- element
- a substance that cannot be reduced to a simpler substance by chemical means
- energy
- a quantity that describes the capacity to do work; a source of usable power
- energy pyramid
- a pyramidal diagram that compares the amount of energy available at each position, or level, in the feeding order
- energy transfer
- a change of energy from one form to another (e.g., mechanical to electrical, solar to electrical)
- environment
- the sum of conditions affecting an organism, including all living and nonliving things in an area, such as plants, animals, water, soil, weather, landforms, and air
- equator
- an imaginary circle around Earth’s surface located between the poles and a plane perpendicular to its axis of rotation that divides it into the Northern and Southern Hemispheres
- erosion
- the wearing away of Earth’s surface by the breakdown and transportation of rock and soil
- evaporation
- the process by which a liquid is converted to its vapor phase by heating the liquid
- experiment
- a procedure that is carried out and repeated under controlled conditions in order to discover, demonstrate, or test a hypothesis; includes all components of the scientific method
- food chain
- transfer of energy through various stages as a result of feeding patterns of a series of organisms