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Alexs science study
Question | Answer |
---|---|
conservation of matter | a principle that states that the amount of matter does not increase or decrease after a reaction or change of states. |
chemical reaction | the process by witch a chemical change occurs |
physical change | a change in the state of matter in which the material is still the same type of material with the same properties as original. |
chemical change | a change in the state of matter in which the material becomes a different material with different properties than original |
physical properties | things about an object that you can observe with your senses |