4th Grade Word List - Science

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