Lesson Plan Chemical Reaction

Topics: Energy, Chemical reaction, Metabolism Pages: 2 (485 words) Published: August 15, 2010
Nicolette F. NuñezAugust 11, 2010

Grade Level: Grade 8- Damselfly
Subject: Biology


Lesson: Chemical Reactions + Catabolism/Anabolism
Number of Meetings: 1

Behavioral Objectives:
At the end of the lesson, students should be able to:
a.) Relate chemical reactions with metabolism
b.) Identify the major components of a chemical reaction
c.) Describe at least one everyday example of an endergonic and exergonic reaction d.) Relate the breakdown and formations of organic molecules to catabolic or anabolic reactions

* http://www.chem4kids.com/files/bio_metabolism.html
* dela Cruz, Susana. Biology. Phoenix Publishing House, Inc.: Quezon City. 2003.

Lesson Proper:

Topic/ Content| Teacher’s Activity| Students’ Activity| Materials| Time| Chemical Reactions| Recall to students the common examples of chemical reactions which were already used in class: Acid + base - Salt + Water or HCl + NaOH NaCl + H2O Here, HCl + NaOH are called as the reactants while NaCl + H2O are the products. Tell students that chemical reactions do not occur only in a laboratory. Even at home, many chemical reactions occur. Ask students for some example. Possible answers/additional answers: Burning wood, lighting a stove, rusting of iron, cooking of egg. Shortly recall evidence of a chemical reaction.-color change, temperature changeSome reactions occur spontaneously and some occur non-spontaneously. Define. For a reaction to occur, the molecules of each of the reactants must collide or interact with one another. We know from previous lessons that molecules/particles are always constantly moving. And this is due to their kinetic energy. So for a reaction to occur and for the molecules to collide, there must be sufficient Kinetic Energy. | Listen, answer questions | Whiteboard Marker, Whiteboard| 20 mins| | Now, why are we studying chemical reactions for a biology class? That is because inside all organisms,...
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