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5th gr sci 2nd sem

5th grade Science 2nd Semester

QuestionAnswer
sun largest star, source of all earth's energy, ball of plasma
Earth only planet that supports life
reflection waves bending off a surface
mass amount of matter in an object
matter anything that has mass and volume
volume amount of space an object takes up
electric current movement of electrons that flow
kinetic energy form of energy associated with motion
potential energy stored energy
velocity speed and direction of an object
speed rate or measure of motion
displacement how far an object has moved
distance how far an object has traveled
acceleration rate at which speed or direction is changing
protons positive charge
nuetrons no charge
electrons negative charge
single atom smallest part of an atom
gases spread to fill container, can be compressed
liquids not easily compressed, takes the shape of the container
solids keep shape, cannot be compressed
minerals solid material of earth's crust with a definite composition
metamorphic rock formed from heat and pressure inside the earth
igneous rock formed from magma
sedimentary rock materials cement together by chemicals or pressure
Created by: tinkerbellici
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