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10 Cards in this Set
- Front
- Back
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What is Matter
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Anything that has mass and occupies space
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What are the 3 different physical states in which one can find matter?
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Solid, Liquid, Gas
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What is a physical change
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converting matter between solid liquid and gas and chemical composition does not change
Ex: Crushing a cube of sugar Boiling water to make steam melting an iron rod |
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What is a chemical change
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Conversion of matter to other kinds of matter that involves changes in composition
EX: burning of a strip of magnesium metal produces blinding white light and white ash of magnesium oxide |
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Work
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Anytime matter has changed in any way
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Energy
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Ability to do work and transfer heat.
two forms: Potential and Kinetic |
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Accuracy
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how close a measured value is to a true value
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Precision
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a measure of reproducibility
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Element
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a substance that contains only one type of atom.
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Isotope
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Atoms of an element that have different numbers of neutrons.
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