Hi, what do you want to do?
PBS
Pbs Teachers:broom Forest: A Tall Trees Simulation
Explore environmental factors of an area that affect a species' characteristics over time. Construct a "broom" tree, sketch support structures similar to those used by the tall Amazon trees and explain the limitations of such structures.
PBS
Pbs Teachers: Methuselah Tree
Examine how scientists determine the age of living and non-living trees and identify factors that impact sizes of tree rings. Analyze tree ring samples and determine the age of the oldest sample.
PBS
Pbs: Human Tree: Ratios
Watch as the National Museum of Mathematics creates an interesting series of images using ratios. This video focuses on the proportional relationship observed in fractals and challenges you to do some critical thinking using ratios and...
Cornell Lab of Ornithology
Habitat Network: Snags: Nature's Apartment Complexes
Find out why the sometimes hazardous or untidy dead trees are actually quite important to wildlife.