How does matter change?
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| chemical change | particles of one substance are changed in some way to form particles of a new substance
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| physical change | a change in the size, shape or state of matter that does not change the particles that make up matter
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| A change in the ______________________ of matter is a physical change. | size, shape, or state
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| A physical change does NOT change the particles that make up matter. The ____________________________, however, may be changed. | arrangement of the particles
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| Because the parts of a mixture do not change and can be separated, making a mixture is an example of a _____________________ | physical change.
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| A mixture of nuts and raisins may be separated by hand. The parts do not form a new substance. This is an example of a | physical change
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| A mixture of salt and water may be separated by evaporation--salt will be left behind. This is an example of a | physical change
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| Breaking and tearing are two other examples of... Breaking a pencil or tearing a piece of paper do not change the kind of matter in the parts. | physical change
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| Other times, a change can form a new substance with new properties. This is called a.... | chemical change
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| Unlike a physical change, a chemical change produces a completely different_____________________ | kind of matter.
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| In a chemical change, particles of one or more substances are ________________________ to form particles of new substances with different properties. | changed in some way
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| In each case, the chemical properties of materials that were mixed... | change
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| Some chemical changes happen slowly such as food _______________ or an iron nail__________________. | decaying/rusting
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| Other chemical changes happen quickly such as wood __________________ or baking/cooking. | burning
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| Many chemical changes give off ____________, such as the light from a burning log. | energy
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| When cooking or baking foods, the colors, textures, and smells of the food are evidence of __________________ change. | chemical
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| The solution of vinegar (a liquid) and baking soda (a solid) produce ____________________ (a gas). | carbon dioxide
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Created by:
tbrogs5
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