22'2 Carbon Reactions

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22.2 Carbon Reactions 23.1 Solutions

• Unit 7 Chapter 2223
• CPO Science
• Courtney Lewis
• Stapley Junior High School

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22.2 Carbon Reactions

• PhotosynthesisPlants turn CO2 into O2 and
  glucose
• We use plants for
• Food
• Building materials
• Writing materials
• Clothing
• Medicines

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Carbon Reactions Fossil Fuels

• Fossil FuelsCarbon compounds used for COMBUSTION
  or energy
• Cars
• Factories
• Homes
• machines

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Green House Effect

• Earths atmosphere holds gases close to the earth
• Too much the earth warms, too little the
  earth cools
• Humans contribute to the gases in the atmosphere

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23.1 Solutions

• SolutionWhen a compound or element is dissolved
  in another compound or element
• Individual atoms or molecules
• Examples
• Salt water
• Mineral water
• KoolAid
• Crystal light

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Solutions (cont.)

• Solutething being dissolved, the one with a
  smaller amount
• Solventthing doing the dissolving
• Either can be solid, liquid, or gas
• Examples
• 14 k Goldsilver and gold (solid, solid)
• Salt water(solid, liquid)
• Carbonated water(gas, liquid)

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Colloids Suspensions

• ColloidsKind of like a solution, but the
  particles are in clusters, but dont settle
• Examples
• Jell-o
• Mayonnaise
• Suspensionsmixtures that settle when you let
  them stand
• Muddy water

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Homework

• Assignment 23.1
• P. 398 Concept Review 58
• P. 416 Vocab Set 1, Concept Review 12