CONIFER
a plant that bears its seeds in cones. Usually refers to needleleaf trees, although some needleleaf trees, such as the yew, do not bear cones. …
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CANOPY
the forest layer formed by the leaves and branches of trees or shrubs. There may be several canopy layers.
CAMBIUM
a thin layer of living, dividing cells just under the bark of trees. This layer gives rise to the tree’s secondary growth.
BROADLEAFED
describes a plant with wide-bladed leaves, such as an oak or maple. This term is generally used to describe flowering trees (angiosperms) rather than conifers …
BOREAL FOREST
the forest growing in the climate or region that stretches across northern North America, Europe, and Asia and is characterized by long, cold winters and …
BIOMASS
1) the total mass or volume of organisms in a given area. 2) plant or animal material used as a fuel or as raw material …
Earth Day 2021 – Restore the Earth With Native Plants
The theme of Earth Day 2021 is “Restore Our Earth.” Explore the differences between native, non-native, and invasive plants; how invasive plants threaten the environment and why native plants sustain it — and what your classroom can do to get involved.
STEM: How Big Is Your Tree?
Big trees are amazing! While the height of tall trees can be difficult to comprehend, the diameter is something a bit more tangible to try and get your “arms around.” Use these STEM strategies to investigate the science of measurement, engineered wood, and the value of Pi.
50 Activities in PLT’s K-8 Guide Explore Your Environment
Fifty multidisciplinary activities can be found inside PLT’s Explore Your Environment: K-8 Activity Guide, divided by grade band. Many activities also offer variations for doing …
Explore Your Environment: K-8 Activity Guide
PLT’s new flagship curriculum includes 50 hands-on, multidisciplinary activities to connect children to nature and increase young people’s awareness and knowledge about their environment.