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 6: Word List - Science

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amplitude  Read Word
the maximum displacement of a periodic wave; greatness of magnitude
atmosphere  Read Word
the mass of air surrounding the Earth; a particular environment or surrounding influence; the weather or climate at some place
atoms  Read Word
the smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
balanced  Read Word
hold or carry in equilibrium
biosphere  Read Word
the regions of the surface and atmosphere of the Earth (or other planet) where living organisms exist
cells  Read Word
the minute elementary structures, of which the greater part of the various tissues and organs of animals and plants are composed
commensalism  Read Word
the relation between two different kinds of organisms when one receives benefits from the other without damaging it
conservation of energy  Read Word
the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
dependent variable  Read Word
a variable in a logical or mathematical expression whose value depends on the independent variable
electric current  Read Word
a flow of electricity through a conductor
electrical energy  Read Word
energy made available by the flow of electric charge through a conductor
electromagnet  Read Word
a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet
electromagnetic spectrum  Read Word
the entire range of wavelengths of all known electromagnetic radiations extending from gamma rays through visible light, infrared, and radio waves, to X-rays
energy pyramid  Read Word
graphical representation used for showing the biomass or productivity at each tropical level in a given ecosystem
energy transformation  Read Word
the process of changing one form of energy to another
food web  Read Word
a community of organisms where there are several interrelated food chains
forms of energy  Read Word
in the context of physical sciences, identify energy as forms as Kinetic, Potential, and more.
geosphere  Read Word
the solid part of the earth consisting of the crust and outer mantle
hydrosphere  Read Word
watery layer of the earth's surface
independent variable  Read Word
a variable whose values are independent of changes in the values of other variables
magnetic field  Read Word
the lines of force surrounding a permanent magnet or a moving charged particle
mutualism  Read Word
the relation between two different species of organisms that are interdependent; each gains benefits from the other
parasitism  Read Word
the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
reflection  Read Word
image of something as reflected by mirror; remark expressing careful consideration
refraction  Read Word
turning or bending of any wave, such as light or sound wave, when it passes from one medium into another of different optical density
relative age  Read Word
the age of a rock or formation given relative to other rocks or formation, usually defined as a zone fossil name
sedimentary rocks  Read Word
rock formed from consolidated clay sediments
technology  Read Word
application of science, especially to industrial or commercial objectives
unbalanced forces  Read Word
tension is the pulling force exerted by a string, cable, chain, or similar solid object on another object
wave  Read Word
a movement up and down or back and forth; something that rises rapidly
wave length  Read Word
the distance from a point or phase in a wave to the nearest point at which the same phase occurs