JEOPARDY!w/ Answers
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Unit 2: Classification of Matter
Updated 10/25/2015
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JEOPARDY!
States of Matter
Laws & Properties
Elements, Cmpds, & Mixtures
Methods of Separation
Chem / Phys Changes
Classific-ation of Elements
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Daily Double!!!
Daily Double Graphic and Sound Effect!
• DO NOT DELETE THIS SLIDE! Deleting it may cause the game links to work improperly. This slide is hidden during the game, and WILL not appear.
• In slide view mode, copy the above (red) graphic (click once to select; right click the border and choose “copy”).
• Locate the answer slide which you want to be the daily double
• Right-click and choose “paste”. If necessary, reposition the graphic so that it does not cover the answer text.
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This state of matter has a definite volume, but does not have a definite shape
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Liquid
100 pts
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Term referring to when a gas changes into a liquid
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Condensation
200 pts
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This is the result of gas particles colliding with the walls of their container
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Pressure
300 pts
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Dry ice changing from a solid to a gas is an example of this type of change.
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Sublimation
400 pts
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Draw a graph showing how changing the volume of the gas in a syringe will affect the pressure of the gas. (label each axis)
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Volume
500 pts
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When a substance gets colder, the kinetic energy of the substance _____.(increases or decreases)
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Decreases
The kinetic energy is the energy of motion. When the temp lowers, the particles move slower.
100 pts
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A flask has a pressure of 2.4 atm at a temperature of 328 K. At what temperature would the flask have a pressure of 925 mm Hg?
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166 Kelvin
200 pts
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Using a pattern (or graph) to make predictions outside of the tested data range is called
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Extraplolation
300 pts
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States that the amount of matter you end up with is always equal to the amount of matter you started with.
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Law of Conservation
Of Matter
(Total Massreactants = Total Massproducts)
400 pts
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The two elements that make up our fossil fuels
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Hydrogen & Carbon
(called hydrocarbons)
500 pts
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Results when 2 or more substances are put together, but no new chemical bonds are formed
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Mixture
100 pts
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The type of substance pictured: compound, element, or mixture.
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200 pts
Mixture (2 types of cmpds)
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Daily Double!!!
Name for a mixture the may appear homogeneous, but is really heterogeneous
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Colloid
300 pts
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Another name for any homogeneous mixture
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Solution
400 pts
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The smallest part of a compound that still retains the properties of that compound is called a
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500 pts
Molecule
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Method of separation that takes advantage of the fact that particles have different sizes
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Filtration
100 pts
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Only method of separation that we studied that was a chemical separation. It usually involves breaking a compound down into 2 elements.
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Electrolysis
200 pts
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A mixture of sugar dissolved in water could be separated by using this method of separation.
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Crystallization
300 pts
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A mixture of two miscibleliquids could be separated with this technique.
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Distillation
400 pts
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Type of separation that produces lime scale deposits in pipes when ‘hard water’ containing dissolved calcium compounds evaporates.
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Crystallization
500 pts
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In the following list, this is an example of a chemical property:
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Reacts w/ oxygen
• Has a cubic Shape
• Density of 4.56 g/mL
• Boils at 89 degrees C
• Reacts with Oxygen
• Dissolves in Water
100 pts
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Type of change required to separate potassium bromide into potassium and bromine
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Chemical
200 pts
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An insoluble solid that is produced when two solutions are mixed together.
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300 pts
Precipitate
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The number of the following examples that are chemical changes
A. Dissolving sodium chloride in water
B. Neutralizing an acid with a base
C. Boiling acetone
D. Burning plastic
E. Heating glass and bending it
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400 pts
2 (B & D)
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Four observations you could make that indicate a chemical change has most likely occurred
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Color Change
Temp Change
Formation of Gas (Bubbles)
Formation of Precipitate
500 pts
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Hydrogen, Nitrogen, Phosphorous, and Sulfur are all examples of these.Rubidium is not an example.
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Nonmetals
100 pts
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2 examples of elements that have some properties of a metal and some properties of a nonmetal
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Si, Ge, B, As, Sb, Te, or At
200 pts
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List 3 characteristics of nonmetals
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Brittle, Glassy,
Don’t Conduct Electricity,
Right side of staircase
300 pts
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A white solid is found in an unlabeled jar. It is not able to be separated chemically or physically. When hitting it with a hammer, it shatters. Tests show no electrical conductivity. It can be said the substance is a
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Nonmetallic Element
400 pts
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Four properties of metals
• Malleable
• Luster (or shiny)
• Ductile
• Conduct Heat & Electricity
• Left side of staircase
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500 pts
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Miscible
• (Definition)
– capable of being mixed
– usually refers to liquids that mix together to form a homogeneous solution
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