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26 Cards in this Set
- Front
- Back
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3 States of Matter |
Solid, Liquid, Gas |
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Atom |
The smallest part of an element that still has the properties of that element. |
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state of matter |
any of the three forms that matter may ordinarily take: solid, liquid and gas. |
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Element |
matter made up of only one kind of atom. Iron and oxygen are elements. |
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Chemical Symbol |
one or two letters that stand for the name of an element. The chemical symbol for gold is Au |
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Compound |
matter made up of two or more elements chemically combined. Salt is a compound made up of sodium and chlorine. |
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Substance |
a class of matter made up of elements and compounds. Salt and sugar are substances. |
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Chemical Formula |
A group of symbols that shows the kind and number of each element in a single unit of a compound. The chemical formula for carbon dioxide is CO2 |
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Energy |
The ability to cause change. The bus uses energy from gasoline to move. |
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Evaporation |
The change of state from a liquid to a gas. The hot sun causes puddles to change to water vapor. |
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Melting |
The change of state from solid to liquid. As the temperature rises, snow and ice change to liquid by melting. |
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Boiling |
The rapid change of state from a liquid to a gas. When water is boiling, bubbles of water vapor form. |
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Condensation |
The change of state from a gas to a liquid. Drops of water form on the outside of a very cold glass because of the condensation of water vapor in the air. |
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Freezing |
The change of state from a liquid to solid. Water turns to ice by freezing. |
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Water as a solid is ____________ |
ice |
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Water as a liquid is _______________ |
liquid water |
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Water as a gas is _____________ |
water vapor |
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The symbol for Oxygen is ___________ |
O |
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The symbol for hydrogen is __________ |
H |
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The symbol for iodine is ____________ |
I |
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The symbol for iron is __________ |
Fe |
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The symbol for gold is ________ |
Au |
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The symbol for helium is ___________ |
He |
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Describe the state of matter: Gas |
is the state of matter that has no definite shape or volume. Movement within is very fast. |
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Describe the state of matter: Liquid |
is the state of matter that has a definite volume but no definite shape. Movement within is fast. |
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Describe the state of matter: Solid |
is the state of matter that has a definite volume and a definite shape. Movement within is slow. |
