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...

Based on DNA, fungi relate more closely to animals than to plants. This new scientific knowledge shifted the world view of scientists and opened up new classifications. Viewers learn about fungi's place in evolution, in the tree of life,...

An extensive investigation of the Earth's climate changes awaits your environmental science classes. This top-notch presentation begins by looking at the history of Earth's climate and then predicts the impact on each major terrestrial...

An educational presentation includes atoms, molecules, the four major elements, as well as neutrons and protons. Additionally, slides focus on atomic number, mass number, atomic weight, polar and nonpolar covalent bonding, ionic...

Properties in measurement, pressure and viscosity of solids, liquids, and gases are the main topics covered in this slideshow. The explanations of Pascal's, Bernoulli's, and the Venturi effects are very clear. Easy to understand diagrams...

Zap! It's time to discuss the various symbols seen when working with electrical equipment. Intended for a vocational audience, the presentation gives basic definitions, diagrams, and labels for 10 commonly seen electrical symbols. 

Go deep in your paleontology unit with this spectacular set of slides! It introduces viewers to the types of fossils, a few famous fossils, and the geologic eras. This is done with easy-to-read text, diagrams, photos, and even videos. 

The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...

The title is a little deceiving since only one of 17 slides is dedicated to the function of leaves, while the rest is dedicated to the structure. Both internal and external structure is taught with accompanying diagrams. If you are going...

Sometimes conservationists use specific plants to prevent erosion or fight invasive species. A 50-slide presentation covers both nonvascular and vascular plants. It discusses the plants, their stages and life cycles, reproduction, uses,...

The United States consumes more oil than any other country, about 1.85 billion barrels (or 77 billion gallons) a day. Viewers learn about the history of fossil fuel exploration and how they are formed in an informative presentation. They...

Can an area with no soil turn into a forest? Scholars learn about the process of ecological succession using an interesting presentation. It covers both primary and secondary succession in the building of new ecosystems.

Your carpenters will enjoy learning scaled drawing techniques and applying their new knowledge to make some real-life scale drawings of gardens. Your carpenter scholars will be reviewing some basic skills in a warm-up section of problems...

This lesson defines the phrase tree diagram. It is 4 of 5 in the series titled "Tree Diagram."

This lesson defines the phrase tree diagram. It is 1 of 5 in the series titled "Tree Diagram."

The term compound event is defined and the video lesson provides several examples including a tree diagram.