Date: 12/4/2012 and 12/5/2012
Class: Physical Science
Periods: B2,3 and W1,3,4
Outcomes: Students will be able to describe the terms exergonic, endergonic, exothermic and endothermic in terms of whether it requires energy as a reactant or product.
Standards: UCP.1-3,5; A.1,2; B.2,3; G.1-3
Student Needs:
Assessment Plan: Thumbs-up/thumbs-down as to whether or not fireflies use exergonic or endergonic reactions to make light.
Lesson Outline: Ask students how many H’s would be needed to make a ring of single-bonded C happy > have students balance KCl + Na2SO4 -> K2SO4 + NaCl > Where does the energy from living things burning sugar come from? Notes over 21.3 and 21.4 > thumbs-up/thumbs-down on fireflies > introduce solutions
Review: Ask students how many H’s would be needed to make a ring of single-bonded C happy > have students balance KCl + Na2SO4 -> K2SO4 + NaC
Anticipatory Set/Opening: Where does the energy from living things burning sugar come from?
Key Points: Energy can act as a product or reactant.
Teaching Input: Asking questions, Notes
Modeling: Diagrams on board showing energy as reactants and products
Checking for Understanding: Have students write a brief description of what happens when wood reacts with oxygen.
Guided Practice/Monitoring: Review and firefly discussion
Closure: Thumbs-up/thumbs-down
Independent Practice: Read 22.1 pages 664 - 670
Reflection:
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