Lesson 3 -- Deforestation
Fifth Grade
El Imposible National Park, El Salvador
Concept
One element of a complex ecosystem may provide essential components to the survival of many species of plants and animals.
Essential Question
How can the clearing of trees destroy a community?
Step 1 -- Connect (The Concept to Prior Knowledge)
Challenge
Students will identify and connect with the benefits of trees.
Procedure
- As a class, brainstorm the relationship between trees and humans.
- How do we benefit from trees?
- How do they benefit from us?
- Discuss oxygen/CO2 exchange, soil stabilization and protection from erosion, animal habitat, shade, medicine from the rainforest, etc.
Step 2 -- Literature/Discuss (Give Expert Information Book; Ask Questions)
Challenge
Students will be challenged with opposing viewpoints of the relationship and attitudes between humans and the forest.
Materials
- Book: The Lorax, by Dr. Seuss
Procedure
- Read The Lorax, by Dr. Seuss.
- Discuss the two main characters. Explore student’s thoughts and reactions to what these characters represent in our society.
Step 3A -- Practice (Math and Learning Centers)
Challenge
Students will use their knowledge of the forest to predict a deforestation scenario.
Materials
- Paper, pencils
Procedure
- Students will create a story that shows what they think would happen if all the trees were cut down in their neighborhood.
- Who would be affected?
- What changes would occur? And so on...
- Students will act out their stories for the class and/or for the whole school.
Step 3B -- Create (Performance Tasks Related to Standard Indicators)
Challenge
Students will organize a community tree planting day.
Procedure
- Have students pretend they have replanted a forest that was cut down for coffee production. Predict how long it would take to look like a forest again.
- Students will organize a community tree planting day.
- Students will monitor the growth of their trees throughout the year.
Step 4 -- Present (Edit Work/Students Present Projects)
Challenge
Students will put on an open house to present their service project to the community.
Materials
- Recycled or Forest Stewardship Council-Certified paper
Procedure
Students will make and distribute invitations, on recycled or tree-free paper, for an open house where they will describe to the community their goals and objectives of their tree planting service project.

|