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8th Grade OSDE Science Academic Vocabulary

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abiotic

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Terms in this set (21)

Image: abiotic

Change in velocity divided by the time it takes for the change to occur

Image: acceleration

Describes living factors in the environment.

Image: biotic

chemical compound

substance made of two or more elements combined during a chemical reaction

Image: chemical compound

chemical element

A substance whose atoms are all the same (that is, each atom contains the same number of protons as each of the other atoms in the substance).

chemical energy

A form of potential energy that is stored in chemical bonds between atoms.

Image: chemical energy

chemical reaction

A change in which one or more substances are converted into new substances.

Image: chemical reaction

a small of ice, rock, and cosmic dust that follows an elliptical orbit around the sun and and that gives off gas and dust in the form of a tail as it passes close to the sun

Image: comets

constant velocity

Constant speed and direction

Image: constant velocity

continental drift

The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations

Image: continental drift

continental glaciation

The covering of a large region of a continent by a sheet of glacial ice.

Image: continental glaciation

In an experiment, the standard that is used for comparison

Image: control

crustal deformation

The bending, tilting, and breaking of the Earth's crust caused mainly by movement of the tectonic plates.

Image: crustal deformation

dispersal methods

streamers, pods, or seeding

Image: dispersal methods

A double-stranded, helical nucleic acid molecule capable of replicating and determining the inherited structure of a cell's proteins.

Image: DNA

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