Students list four ways to identify trees. In this tree identification instructional activity, students use tree identification techniques such as leafs, bark, wood grain, soil type, and climate to create tables and graphs.

All of the types and categories of common trees and shrubs are included in this guide to types, tools, and results of pruning.  Ways to increase  budding, or to thin-out foliage are described. The summaries are complete, but...

Students explore environments by analyzing food chains. For this biome identification lesson, students define a list of environmental vocabulary terms such as tundra, rain-forest and desert. Students create a fictional self sustainable...

In this Arbor Day crossword puzzle, learners use a set of 28 clues given at the bottom of the page to complete the puzzle; clues are related to Arbor Day.

In this plants activity, students complete a five question multiple choice on-line interactive quiz about plants grown for food.

Coupled with a beautiful photo gallery, the National Arboretum sets out to explain the science behind why leaves of deciduous trees change their color in the autumn months. While temperature effects the colors, learn here what happens in...

Students observe differences in tree leaves leading them to an understanding of the terms deciduous, evergreen, and coniferous. Children will compare and contrast leaves and then, viewing a chart key, use what they know to help them...

Understand the science behind why leaves change throughout the seasons. Why don't pine trees lose their needles?

Use this site to find out how apples grow.