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Science # 11

TermDefinition
Radioactive isotope natural or artificially created isotope of a chemical element having an unstable nucleus that decays, emitting alpha, beta, or gamma rays until stability is reached. The stable end product is a.
Carbon chemistry Carbon and hydrogen. Though many organic chemicals also contain other elements, it is the carbon-hydrogen bond that defines them as organic. Organic chemistry defines life.
Science the intellectual and practical activity encompassing the systematic study of the structure and behavior of the physical and natural world through observation and experiment.
Nova a star showing a sudden large increase in brightness and then slowly returning to its original state over a few months.
Scale each of the small, thin horny or bony plates protecting the skin of fish and reptiles, typically overlapping one another.
Theory of evolution first formulated in Darwin's book "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits.
Created by: 21Cline.Eli
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