November 28, 2022 | By Rae
Trillion of Trees is a downloadable activity collection for grades 3-5 that invites young learners to investigate the unique characteristics of different tree species and how best to plan, plant, and care for trees in their community.
February 18, 2022 | By Rae
Students select individual trees to observe over time, deepening their awareness of tree changes and developing a greater appreciation for their local environment.
December 28, 2020 | By Project Learning Tree
Using data collected from Mauna Loa, students graph changes in atmospheric levels of carbon dioxide (CO2) over the course of several decades and identify possible reasons for those changes.
December 28, 2020 | By Project Learning Tree
Throughout history, people have intentionally and unintentionally moved plant and animal species to new environments. Some of these species have proved beneficial, but others invade natural habitats, causing environmental and sometimes economic harm.
December 28, 2020 | By Project Learning Tree
Every living thing has a habitat—a place that meets its needs. Human beings’ habitat is the community in which they live.
December 28, 2020 | By Project Learning Tree
Students examine trees for signs of damage or poor health and investigate conditions that may cause trees and other plants to become unhealthy.
December 28, 2020 | By Project Learning Tree
Students will look for signs of autumn and conduct an investigation to discover why the leaves of deciduous trees change color in the fall.
December 28, 2020 | By Project Learning Tree
From their leafy branches to their tangled roots, trees provide habitat for a host of plants and animals. Students will inventory the plants and animals that live in, on, and around trees and discover how plants and animals depend on them.
December 28, 2020 | By Project Learning Tree
In early spring, many trees sprout bright green leaves. Where do the leaves come from? How do they form? Students investigate these questions by observing tree buds throughout the year.