Trees: Tree Truths | Science Trek

PBS Learning Media
Contributed By
PBS Learning Media
Resource Type
Classroom Material
Keywords
trees environment ecology D4K Science Trek Joan Cartan-Hansen Idaho wood root trunk branches leaves flowers seeds heartwood sapwood cambium bark sap tree rings needles canopy photosynthesis carbon dioxide sugar oxygen fruit pine cones conifer deciduous trees evergreen tamarack deforestation climate change forest forest fire wildfire douglas fir ponderosa pine lodge pole pine habitat parts of a tree plant morphology tree morphology ecosystem dynamics ecosystem benefits ecosystem impact bristle cone pine fruit trees stone fruit pomology
Subjects
Science
Grade Levels
Kindergarten Grade 1 Grade 2 Grade 3 Grade 4 Grade 5
Audience
Classroom Teacher / Educator
Related Resources

Trees: Tree Truths | Science Trek

Trees do more than make our world pretty.  They are essential to life, providing us with oxygen, cleaning our water and air, protecting our soil and giving homes to 80 percent of the plants and land animals on Earth.
Publisher
PBS Learning Media

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