Elementary Academic Words

Words for students from kindergarten to grade 8, each grade has 4 lists: art, math, science, and social. They are essential vocabulary for elementary academic classes.

Grade 4: Word List - Science
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adaptation  Read Word
the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)
calorie  Read Word
unit of heat; unit of heat equal to the amount of heat required to raise the temperature of 1 kilogram of water by 1 degree
carbohydrate  Read Word
essential structural component of living cells and source of energy for animals
carnivore  Read Word
any animal that feeds on flesh
circuit  Read Word
electrical device that provides a path for electrical current to flow
climate  Read Word
weather condition; atmosphere; environment
composition  Read Word
a mixture of ingredients; the spatial property resulting from the arrangement of parts in relation to each other and to the whole
conductor  Read Word
a device designed to transmit electricity, heat; person who collects fares on a public conveyance
electricity  Read Word
energy made available by the flow of electric charge through a conductor; a physical phenomenon associated with stationary or moving electrons and protons
energy  Read Word
exertion of force; capacity for work or vigorous activity; usable heat or power
geology  Read Word
science which treats the structure and mineral constitution of the globe
herbivore  Read Word
any animal that feeds chiefly on grass and other plants
igneous  Read Word
produced under conditions involving intense heat
insulator  Read Word
a material such as glass or porcelain with negligible electrical or thermal conductivity
magnetism  Read Word
attraction for iron; associated with electric currents as well as magnets
metamorphic  Read Word
characterized by metamorphosis or change in physical form or substance
mineral  Read Word
solid homogeneous inorganic substances occurring in nature having a definite chemical composition; composed of matter other than plant or animal
nutrient  Read Word
nourishing substance; source of nourishment, especially nourishing ingredient in a food
omnivore  Read Word
a person who eats all kinds of foods; an animal that feeds on both animal and vegetable substances
poles  Read Word
one of two divergent or mutually exclusive opinions; one of the two ends of a magnet where the magnetism seems to be concentrated
predator  Read Word
animal that lives by preying on other animals; person who robs or exploits others
prey  Read Word
target of a hunt; animal hunted or caught for food
protein  Read Word
any of a large group of nitrogenous organic compounds that are essential constituents of living cells
sedimentary  Read Word
resembling or formed by the accumulation of sediment; form of rock made by the deposition and compression of small particles