Dictionaries & Glossaries
Check out these text and picture dictionaries/glossaries to learn about the world around us.
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Illustrated Math Dictionary - Enchanted Learning.com: Z.
Atomic Number. An atom's atomic number of an element is the number of protons in the nucleus of one of its atoms
Atomic Weight. An atom's atomic weight measures the total of the mass of the protons, neutrons, and electrons.
KELVIN TEMPERATURE SCALE
Nucleus. The nucleus of an atom is its tiny central region, and comprises the bulk of the atom's mass, containing the...
Proton. Protons are small, positively-charged atomic particles
STP means standard temperature and pressure.
Second-Third Grade Introduction to Research on the Internet - Groundhog Quiz
Second-Third Grade Introduction to Research on the Internet - Weather Quiz
Little Explorers Picture Dictionary (English/Spanish): H.
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