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| _______________ is a chemical reaction in green plants that produces energy and oxygen. |
Photosynthesis |
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angela Mon, 22 Feb 2010 15:24:17 GMT |
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| A chemical __________ is the substance produced by iron reacting with oxygen in the air. |
reaction |
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angela Mon, 22 Feb 2010 15:24:17 GMT |
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| __________ is the substance produced by iron reacting with oxgen in the air. |
Rust |
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angela Mon, 22 Feb 2010 15:24:17 GMT |
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| Chemical changes occure at __________speeds |
different |
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angela Sun, 07 Mar 2010 18:21:59 GMT |
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| A clue that a chemical change is occurring in a burning flame is that _______ is given off. |
heat |
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angela Mon, 22 Feb 2010 15:24:16 GMT |
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| Flammabitity is the chemical propety describing how a substance _________. |
burns |
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angela Mon, 22 Feb 2010 15:24:16 GMT |
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| A chemical _________ is a way to describe how matter reacts with other matter. |
property |
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angela Mon, 22 Feb 2010 15:24:16 GMT |
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| In a chemical change a _____ substance is formed. |
new |
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angela Mon, 22 Feb 2010 15:24:16 GMT |
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| In a physical change the matter does not change _________________. |
chemically |
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angela Mon, 22 Feb 2010 15:24:16 GMT |
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| Ice being broken into small bits is an example of a _____________ change. |
physical |
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angela Mon, 22 Feb 2010 15:24:16 GMT |
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| The chemical property of being able to burn |
Combustibility |
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angela Mon, 22 Feb 2010 13:29:57 GMT |
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| The ability of a substance to go through a chemical change |
Reactivity |
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angela Mon, 22 Feb 2010 13:29:57 GMT |
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| The process by which a gas changes back into a liquid |
Condensation |
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angela Mon, 22 Feb 2010 13:29:57 GMT |
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| The process by which a liquid changes into a gas |
Evaporate |
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angela Mon, 22 Feb 2010 13:29:57 GMT |
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| The state of matter that does not have a definite shape or volume |
Gas |
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angela Mon, 22 Feb 2010 13:29:57 GMT |
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| The state of matter that has a definite volume but no definite shape |
Liquid |
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angela Mon, 22 Feb 2010 13:29:57 GMT |
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| The state of matter that has a definite shape and a definite volume |
Solid |
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angela Mon, 22 Feb 2010 13:11:10 GMT |
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| The ability of one substance to be dissolved in another substance |
Solubility |
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angela Sun, 07 Mar 2010 18:23:15 GMT |
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| The concentration of matter in an object |
Density |
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angela Mon, 22 Feb 2010 13:11:10 GMT |
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| The amount of space that an object takes up |
Volume |
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angela Mon, 22 Feb 2010 13:11:10 GMT |
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| A measure of the pull of gravity on an object |
Weight |
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angela Mon, 22 Feb 2010 13:08:32 GMT |
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| The amount of matter in an object |
Mass |
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angela Mon, 22 Feb 2010 13:08:32 GMT |
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| The characteristics of a substance that can be observed or measured without changing the substance |
Physical properties |
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angela Mon, 22 Feb 2010 13:08:32 GMT |
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| Anything that has mass and takes up space |
Matter |
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angela Mon, 22 Feb 2010 13:08:32 GMT |
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