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41 Cards in this Set
- Front
- Back
- 3rd side (hint)
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It can either be an element or a compound |
SUBSTANCE |
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Elements and compounds can not be reduced to more basic components by physical means. |
SUBSTANCE |
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All units that make up all matter are called |
Atoms |
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If all the atoms in a sample of matter have the same identity, that kind of matter is an |
ELEMENT |
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are material made of two or more elements combined |
COMPOUND |
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A _______ is a material that is made up of two or more substances |
MIXTURE |
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A _________ mixture is a mixture in which material can be easily distinguish |
Heterogeneous |
Ex. Oil and water |
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A __________ mixture or solution is a mixture in which two or more substances are uniformly spread out and the different materials can not be easily determined. |
Homogeneous |
Ex. 3in1 Coffee |
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Has mass takes up space |
Matter |
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Composition is definite |
Substance |
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One kind of atom |
Element |
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Two or more kinds of atoms |
Compound |
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Composition variable |
Mixture |
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Evenly mixed a solution |
Homogeneous |
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Unevenly mixed |
Heterogeneous |
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A ________ is a heterogeneous mixture containing tiny particles that never settle out. |
Colloid |
Example: milk and jello |
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A __________ is a heterogeneous mixture containing a liquid in which visible particles settle. |
Suspension |
Example: Muddy water |
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This scattering of light by colloidal particles is called the. |
Tyndall effect |
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A property of matter that can be observed or measured without changing the identity of the matter. |
PHYSICAL PROPERTY |
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The ability to be pounded into thin sheets. |
Malleability |
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The ability to be drawn or pulled into a wire |
Ductility |
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The ability to dissolve in another substance. |
Solubility |
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Matter has a definite shape and volume |
Solid |
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Matter takes the shape of its container and has a definite volume |
Liquid |
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Matter changes in both shape and volume |
Gas |
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Superheated matter – so hot that the electrons are ripped away from the atoms forming an ionized gas. |
Plasma |
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Cooling a gas of extremely low density about one hundred thousandths of normal air density, to super-low temperatures. |
Bose-Einstein condensate (BEC) |
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The ability to transfer thermal energy from one area to another. |
Thermal Conductivity |
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A property of matter that describes a substance based on its ability to change into a new substance with different properties. |
CHEMICAL PROPERTY |
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Only when wood burns |
Flammability |
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Only when fireworks explode |
Combustibility |
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Only when iron Oxidizes (rust) |
Reactivity |
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A change that affects one or more physical properties of a substance. |
PHYSICAL CHANGE |
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A change that occurs when one or more substances are changed into entirely new substances with different properties. |
CHEMICAL CHANGE |
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This is an odor far different from what it should smell like |
Odor Production |
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When energy is released do during the chemical change |
Exothermic |
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Energy is absorbed causing a decrease in temperature of the reactant material |
Endothermic |
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Ex: fruit changing color when it ripens, leaves changing color in the Autumn, dying your hair |
Change in Color |
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This can indicate the presence of a gas. Bubbles produced when boiling water is not a chemical Formation of a Precipitatechange. |
Formation of Bubbles |
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When two liquids are combined and a solid is produced |
Formation of a Precipitate |
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SIGNS OF CHEMICAL CHANGE |
Odor Production Change in Temperature Change in Color Formation of Bubbles Formation of a Precipitate |
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