Yew'll be amazed at how many trees there are on Earth. PBS Digital Studios model for viewers how the answer to the title question was determined using satellite information. Along the way, learners will encounter a myriad of statistics involving trees and deforestation. 

Concepts

trees, the carbon cycle, carbon dioxide, carbon, deforestation, rainforests

Show More Show Less

Additional Tags

science

Show More Show Less

Instructional Ideas

• Have pupils guess the number of trees on Earth before watching the video

Classroom Considerations

• Pupils must have knowledge of percentages to understand the given statistics
• Note that the actual instructional portion of the video is only four minutes; the remaining minute introduces other science-related videos

• This video is hosted on YouTube

Pros

• Cool graphics engage learners
• Viewers will have fun identifying the embedded movie clips

Cons

• None