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32 Cards in this Set
- Front
- Back
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Physical Changes
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Alters the form or size of the matter
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Affects the forces between molecules (van der Waals forces)
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Physical Changes
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Chemical Changes
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form a new substance without changing the elements
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Affects the bonds between atoms (chemical bond)
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Chemical Change
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Nuclear Changes
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changes or splits the nucleus of an atom and forms new elements
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Involves the greatest amount of energy
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Nuclear Change
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Thermal Energy
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Heat energy
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Order of Energy Transfer
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Potential to Thermal to Kinetic to Electrical
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Fusion
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produces the most energy of any nuclear change
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Nuclear Changes
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Give off radiation, pollution, energy, neutrons, and protons
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Substance
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a single kind of matter that is pure and has a specific set of properties
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Physical property
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a characteristic of matter that can be observed or measured
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Chemical Bond
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a force that holds atoms together
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Mixture
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a combination of two or more substances that can be physically separated
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Solution
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a type of mixture in which two or more substances are evenly distributed
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Soluble
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able to be dissolved in a given substance
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Insoluble
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unable to be dissolved in a given substance
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Chemical Change
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an event that rearranges chemical bonds
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Chemical Property
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a characteristic that describes when or how a substance will interact with other substances
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Combustibility
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the ability to burn
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a chemical property
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Combustibility
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Potential Energy
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the type of energy stored in the bonds of protons and neutrons
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this is released during nuclear changes
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Thermal Energy
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Rubbing Alcohol
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soluble in water
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Apple Seeds
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insoluble in water
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Apple Juice
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a solution
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Salad
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a mixture
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Oil
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insoluble in water
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Oxygen
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substance
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Physical
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dissolving oil-based paints in turpentine is this change
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each substance keeps its own set of properties after this change
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Physical
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Burning Wood
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chemical change
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