Anything that takes up space, has volume, density, and mass
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Mass
how much matter is in an object
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Weight
A measure of the force of gravity on an object
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States of matter
liquid, solid, gas, plasma
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liquid
water, juice, milk
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solid
wood, ice, pencil
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gas
oxygen and water vapor
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plasma
lightning, sun, stars
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intensive property
does NOT depend on how much matter is in an object to describe it
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extensive property
DOES depends on how much matter is in an object in order to describe it
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intensive property example
color, temperature
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extensive property example
weight, length, mass
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chemical property
indicates how a substance reacts with something else, matter will be changed into a new substance after the reaction
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physical property
a characteristic that can be observed or measured without changing the identity of the substance
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chemical properties examples
flammability, toxicity, reactivity
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physical properties examples
color, smell, density, boiling point,
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physical change
a change of matter from one form to another without a change in chemical properties
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chemical change
A change that occurs when one or more substances change into new substances with different properties.
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physical change examples
cutting string, crumpling paper, melting ice, evaporating water
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Examples of chemical change
Rusting of iron nail, Baking a cake
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Law of Conservation of Matter
matter cannot be created or destroyed
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mass of reactants = mass of products
The reactants that went into the making of the product have the same mass as the actual product once its made since matter cannot be destroyed or created.
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Flashcard (40)