Carbon TIME The Meaning of Organic

Entry Task What is happening when Methane Burns? Explain where atoms are moving, How atoms are rearranged into molecules, How energy is transformed

Have Out Molecular Models for Methanol Burning Worksheet Explanation Tool: What happens when Methanol burns?

With a neighbor Compare your explanations for each of the 3 questions Then, compare your overall explanations (Back of tool)

Ethanol Burning: As a class How have your ideas / explanations changed? What do you know now that you didn’t know before? How has the scale of your thinking changed?

Materials Card Sort 1 Minute Examine the cards Sort the materials into two piles Use any rules you choose for creating the two piles Be ready to share your reasons

Why can some things burn while other things cannot burn? Why does ethanol behave more like wood than like water? Driving questions 7

What are the similarities & Differences between Water & Ethanol? WaterBothEthanol Do you have any new ideas to add to the list now?

Why does ethanol behave more like wood than water? Organic and Inorganic Materials 9

What we see… Macroscopic Scale 10 EthanolWaterWood

Zooming out… Large Scale 11 Water Wood Petroleum

Zooming in… Microscopic and Atomic- Molecular Scales 12 Water droplet (Atomic- Molecular) Ethanol droplet (Atomic- Molecular) Paper Fibers (Microscopic)

Zooming in… Atomic-molecular Scale Ethanol molecule (C 2 H 5 OH) Water molecule (H 2 O) Cellulose: an important part of wood (C 6 H 10 O 5 ) n 13

What ATOMS are found in these materials? Ethanol molecule (C 2 H 5 OH) Water molecule (H 2 O) Cellulose (C 6 H 10 O 5 ) n 14

ATOMS FOUND IN EACH MOLECULE: Water: Hydrogen, Oxygen Ethanol: Hydrogen, Oxygen, Carbon Wood: Hydrogen, Oxygen, Carbon What ATOMS are found in these materials? Ethanol molecule (C 2 H 5 OH) Water molecule (H 2 O) Cellulose (C 6 H 10 O 5 ) n 15

What BONDS are found in these materials? Ethanol molecule (C 2 H 5 OH) Water molecule (H 2 O) Cellulose (C 6 H 10 O 5 ) n 16

BONDS FOUND IN EACH MOLECULE: Water: H-O Ethanol: H-O, C-O, C-H, C-C Wood: H-O, C-O, C- H, C-C What BONDS are found in these materials? Ethanol molecule (C 2 H 5 OH) Water molecule (H 2 O) Cellulose (C 6 H 10 O 5 ) n 17

What BONDS are found in these materials? Ethanol molecule (C 2 H 5 OH) Water molecule (H 2 O) Cellulose (C 6 H 10 O 5 ) n Chemical Energy Energy found in the bonds of molecules. C-C and C-H bonds means molecules have available chemical energy. So which materials have available chemical energy? 18

MATTER AND ENERGY Every molecule has both ATOMS and BONDS ATOMS TELL YOU ABOUT MATTER BONDS TELL YOU ABOUT ENERGY 19

Materials That Burn WATER Materials That Do NOT Burn CARBON DIOXIDE SALT OXYGEN NITROGEN WOOD BUTANE PROPANE ETHANOL 20

What makes these burn? How are these different? WATER CARBON DIOXIDE SALT OXYGEN NITROGEN WOOD PROPANE ETHANOL BUTANE 21

Water, Ethanol, and Wood Ethanol and wood both have C-C and C-H bonds. Ethanol molecule (C 2 H 5 OH) Water molecule (H 2 O) Cellulose (C 6 H 10 O 5 ) n 22

ORGANIC INORGANIC --means the molecule has C-C and C-H bonds --means the molecule does not have C-C and C-H bonds WATER CARBON DIOXIDE SALT OXYGEN NITROGEN WOOD BUTANE PROPANE ETHANOL 23

What Makes Up Living Things? Inorganic: Water, minerals; Organic: carbohydrates, fats, proteins WaterCarbo- hydrate ProteinFatMinerals Average human 60%1%15%23%<1% Average apple 85%14%0.5% <1% Average chicken 62%<1%30%8%<1% 24

Materials Card Sort Resort your cards based on material type Pile 1: Foods, fuels, bodies of living or dead things Pile 2: Not food, Not fuel, Not living / dead

Materials Card Sort Resort your cards based on Bonds Pile 1: Contain C-C or C-H bonds Pile 2: Do NOT contain C-C or C-H bonds

Homework Complete Organic vs Inorganic Worksheet using Material Cards Complete Explanation Tool for a different fuel Propane or Butane without modeling the reaction first!!! This is your review for the Unit Post Test Thursday 10/8/15