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Stapp/Foreman 4

Unit 4 vocab 6th grade science

matter Anything that has mass and takes up space.
element A pure substance composed of the same type of atom throughout.
chemical change A change that alters the identity of a substance resulting in a new substance or substances with different properties.
physical change A change to a substance that occurs without forming a new substance, such as a change in size or state of matter.
chemical property A characteristic that can only be observed or measured when atoms of matter rearrange during a chemical change.
physical property Characteristic that can be observed or measured without changing the substance; for example, color, melting point, or conductivity.
compound A substance made of two or more elements that are chemically combined in fixed amounts.
properties Physical and chemical characteristics of matter used to describe or identify a substance.
states of matter Distinct forms of matter known in everyday experience: solid, liquid, and gas; also referred to as phases of matter.
production of heat Evidence of release of energy during a chemical change.
production of light Evidence of release of energy during a chemical change.
production of a precipitate Evidence of a new substance formed from a chemical change, resulting in solid particles that form or separate out of a liquid.
production of gas Evidence of a new substance formed from a chemical change.
substance Any form of matter that is uniform throughout and has consistent properties.
color change A change in the way something reflects light, can indicate a chemical change.
temperature change Increase or decrease of heat energy in a substance may be evidence of a new substance formed during chemical change.
Created by: foremanmike