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Science Key Terms Review

give a brief statement of the main points of (something).
The high point of a wave
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
the quantity of matter which a body contains, as measured by its acceleration under a given force or by the force exerted on it by a gravitational field.
a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.
the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
estimate, measure, or note the similarity or dissimilarity between.
a principle stating that energy cannot be created or destroyed, but can be altered from one form to another.
the action of explaining the meaning of something.
Physical rather than biological, not derived from living organisms.
the amount of space that a substance or object occupies, or that is enclosed within a container, especially when great.
a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained
the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.
make (an idea, situation, or problem) clear to someone by describing it in more detail or revealing relevant facts or ideas.
able to assume different numerical values
a variable (often denoted by y ) whose value depends on that of another.
the basic unit of a chemical element.
a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.
the rate of change of velocity per unit of time.
compare in such a way as to emphasize differences.
a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.
a biological community of interacting organisms and their physical environment.
the positively charged central core of an atom, consisting of protons and neutrons and containing nearly all its mass.
the rate at which someone or something is able to move or operate.
a hollow between two wave crests