Lesson Plan

Our Treasured Trees

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Grade Level:
Fourth Grade-Sixth Grade
Agriculture, Biology: Animals, Biology: Plants, Botany, Climate Change, Conservation, Earth Science, Ecology, Environment, Wildlife Biology
45 minutes
Group Size:
Up to 24 (4-8 breakout groups)
National/State Standards:
Standard 7: Students examine organisms’ structures and functions for life processes, including growth and reproduction. (ASDOE Elementary Science Standards: Grade 2-4, pp. 28-42)


Trees are wonderful, beautiful organisms which comes in a variety of shapes, sizes, colors, smells, and textures. Tropical rainforest contain the greatest diversity of plants in the world, meaning many species of plants grow in a small area. New terms would be introduced, “natural resources” and “renewable resources” Students will view images from slide presentation to help simplify the differences between the two new terms introduced.


Students will be able to:

1. Define the terms natural resources and renewable resources.

2. List consequences that can hurt the environment by the cutting down of trees.



Trees have inhabited our planet Earth for thousands of years. Without the existence of trees, life cannot continue as it is today. These natural resources provide us with food, shelter, medicines, oxygen, etc. These are things useful to humans. Renewable resources on the other hand are resources that will replenish themselves if not used up completely or too quickly. With population explosion in our small Island, these treasured resources may disappear fast. During traditional cultivation practices, land is cleared for plantations of taro, ta’amu, bananas and other agriculture crops. Also, developing new land for building new homes or other structures, usually requires clearing the land. The practice of clearing land, although considered a Samoan tradition, can be very harmful if it is done in a careless manner. Soil can erode rapidly, and the forest will not regenerate quickly enough.


There is a great need to preserve our existing trees that grow naturally on our land. Scientists have shown that even a single tree in an agriculture field can attract wildlife if it produces fruits or flowers attractive to animals. By attracting wildlife to those protected trees, new seeds from the forest will also be brought in, thereby assisting natural forest to regeneration after agriculture has finished. You can help preserve trees by not cutting them down. If you do cut one native tree, you should plant another native tree to replace it.


1. Paper
2. Pencils
3. White board

4. Marker
5. Projector

6. Power point presentation



Last updated: February 28, 2015