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20 Cards in this Set
- Front
- Back
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is a measurement of the amount of matter,or stuff, in an object or substance.
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Mass
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Weight
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is a measurment of the pull of gravity on an object or substance. If gravity changes,weight changes
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Occurs when a solid is heated and changes to a liquid.
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Melting
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Freezing
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Ouccurs when a liquid is colded and changes to a solid
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Occurs when a substance is heated;the molecues move faster father apart
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Thermal Expansion
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Evaporation
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Occurs when a liquid is heated and chandes into a gas
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Is a measurement of the amout of space an object or substance occupies.
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Volume
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Conclusion
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A conclusion is made by looking at observations,evidence,and data. A conclusion states whether or not your results support your hypothesis.
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Is what everthing is made of; matter has mass and volume. Matter itself can be measurd, but is NOT a measurement.
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Matter
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Atoms
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Are the smallest paricle of an element. They make up elements.
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Cannot be created or destroy.
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Energy
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Forms
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The total amount ot energy never chandes but it does change forms.
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An element is the simplest pure substance. An element is made of only ONE type of atoms. It can be found on the periodic Table of the Elements.
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Element
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Chemical changes
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The molecules break apart and from new molecules.
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Allow electrons to pass through them easily.
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Conductors
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Short circuit
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Has excessive current that is unsafe.
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Are used to safely open and close a circuit.
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Switches
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Static electricity
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Is cuased by objects losing or gaining electrons through friction.
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Helps electrons safely leave a ciruit
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Grounding
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Product
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In a chemical change is new substance created by chemical change.
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