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RISD 5th 2nd 9 wks.

science vocabulary 5th grade 2nd 9 weeks

Science VocabularyDefinition
solution a molecular mixture of 2 or more substances
friction a force that opposes, or acts against, motion when 2 surfaces rub against each other
matter anything that has mass and takes up space
physical property the characteristic of a substance that can be observed or measured without changing the substance
magnetism the force of repulsion (pushing) or attraction (pulling) between poles of magnets
mixture A composition of two or more substances that are not chemically combined with each other and are capable of being separated
boiling point the temperature at which water boils
melting point the temperature at which a solid substance melts
mass the amount of matter in an object
weight the measure of the pull of gravity of an object
volume the amount of space an object takes up
conductor a material that conducts electrons easily
insulator a material that does not carry electrons
circuit the complete path of an electric current
reflection the light energy that bounces off of objects
refraction the bending of light rays when they pass through a substance
vibration A rapid linear motion of a particle or of an elastic solid
lunar cycle the cycle of the moon from full moon, half moon, quarter moon, etc. and back to full moon
revolution traveling in a closed path around an object
rotation the spinning of the Earth on its axis
gravity the force that pulls all objects in the universe toward one another
atmosphere the layer of air that surrounds Earth
orbit the path one body in space takes as it revolves around another body; such as that of Earth as it revolves around the sun
Created by: sgrubb