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Matter Vocabulary

5th grade Science

matter has mass and takes up space
gas when matter has no definite shape or volume
evaporate when a liquid changes to a gas
heat a form of energy given off
weight mass plus gravity
reactants 2 substances that make something new
chemical change changes into a new substances
physical change a change in form but not identity
liquid matter that has definite volume but takes the shape of the container
solid matter that holds its own shape
product the new substance created
dissolve mix into so that it disappears
reaction a change because of an event
freeze change from liquid to a solid
melt change from solid to a liquid
mass the amount of atoms
conserve to save
signs of chemical change bubbles, new color, heat, new substance
Created by: kathrynlong