Science Vocabulary Quiz

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Last updated: January 14, 2021

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Definition	Word
An animal that eats both plants and meat	Omnivore
The colored portion of the eye	Iris
The process by which species become new species	Evolution
The outermost layer of skin	Epidermis
Ring-shaped coral reef that encircles a lagoon	Atoll
Addictive stimulant found in tobacco	Nicotine
The energy required to heat 1 gram of water by 1 °C	Calorie
A substance that increases the rate of a chemical reaction	Catalyst
Air resistance or fluid resistance	Drag
An atom or molecule that has an electrical charge	Ion
The tendency of a body to remain in motion or to remain stationary	Inertia
Unit of electrical potential	Volt
Chemical compound with the formula NH₃	Ammonia
Fungus that will turn sugars into alcohol	Yeast
Name for the process described above	Fermentation
Inflammation of the gums	Gingivitis
The value that occurs most frequently in a set	Mode
Pertaining to the kidneys	Renal
Day in which the sun is directly over the Earth's equator	Equinox
Sedimentary rock composed of calcium carbonate	Limestone