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Science Extra Credit

Has definite composition and properties
Physical and chemical characteristics of matter used to describe or identify a substance
To move rhythmically and steadily; oscillate
Resources that exist in the environment without human intervention
Characteristic that can be observed or measured without changing the substance
A substance tat takes part in and undergoes change during a reaction
Competition for resources within the same species
A single, self-contained living thing
A reaction in which energy is absorbed by matter
A state of matter with a definite volume, but no definite shape
The process by which one or more substances change to produce one or more different substances
Has mass and takes up space
Total kinetic energy
Something made of all one material
A reaction in which energy is released by matter
Competition for resources among the same species
Average kinetic/thermal energy of all the particles in a material, which is measured by a thermometer
Form of matter with indefinite shape and volume
The smallest particle of an element, made of electrons, neutrons, and protons.