4th Grade Cards - Science

the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)

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

essential structural component of living cells and source of energy for animals

any animal that feeds on flesh

electrical device that provides a path for electrical current to flow

weather condition; atmosphere; environment

a mixture of ingredients; the spatial property resulting from the arrangement of parts in relation to each other and to the whole

a device designed to transmit electricity, heat; person who collects fares on a public conveyance

energy made available by the flow of electric charge through a conductor; a physical phenomenon associated with stationary or moving electrons and protons

exertion of force; capacity for work or vigorous activity; usable heat or power

science which treats the structure and mineral constitution of the globe

any animal that feeds chiefly on grass and other plants

produced under conditions involving intense heat

a material such as glass or porcelain with negligible electrical or thermal conductivity

attraction for iron; associated with electric currents as well as magnets

characterized by metamorphosis or change in physical form or substance

solid homogeneous inorganic substances occurring in nature having a definite chemical composition; composed of matter other than plant or animal

nourishing substance; source of nourishment, especially nourishing ingredient in a food

a person who eats all kinds of foods; an animal that feeds on both animal and vegetable substances

one of two divergent or mutually exclusive opinions; one of the two ends of a magnet where the magnetism seems to be concentrated

animal that lives by preying on other animals; person who robs or exploits others

target of a hunt; animal hunted or caught for food

any of a large group of nitrogenous organic compounds that are essential constituents of living cells

resembling or formed by the accumulation of sediment; form of rock made by the deposition and compression of small particles