Scientists found fossils of plants more than 420 million years old—but plants existed for up to 100 million years prior to these fossils. Learn about the importance of plants to the entire planet. Viewing a presentation helps scholars...

A good start to a larger discussion, this presentation address the qualities and characteristics of a civilization. It briefly discusses the earliest civilizations, leaving your lecture as the next logical step in a world history or...

This is not revolutionary, but it is informative. Earth science viewers in grades 7-12 get carried away with wave and wind erosion. They view diagrams of how waves impact ocean shorelines. They see examples of the different types of sand...

This is a wonderful PowerPoint! It gives excellent details of different types of ferns and their characteristics which help them to survive and produce spores in many varied habitats.

Free verse poetry is often regarded as poetry without structure, but in reality, it is a poetic form that adheres to its own poet's thought and breath patterns. Delve into the rules and famous examples of free-verse poetry with a short...

The ten slides in this presentation make a consice introduction to the halogen group of the periodic table of elements. The location of the group is displayed, and then the characteristics of the different halogen group members are...

With this collection of slides, future biologists get to view photographs of protozoans from different phyla. Interspersed with the photos are bullet-style notes listing characteristics of each group. Unfortunately, most of the pictures...

The colors most noticed and characteristic of particular weather patterns are listed on each of these slides.   The reasons for each chemical changing the appearance of leaves are given and the effect of particular climate changes...

One of the reasons plants found success on land relates to seed development. Scholars learn about many different forms of seeds and how they changed over time. It describes the structure and function of many different types of seeds in...

Differentiating between Northen European art and Italian art, these slides detail the intricacies of art during the Renaissance. The presentation features Flemish, French, German, and English art, as well as the art of Austria, Spain,...

Biologists know of more than 2,300 living species of amphibians. Learn more about the four orders of amphibians with an interesting presentation. It explains the similarities and differences between the thousands of species of...

In spring the flowers bloom, summer is hot, fall is full of colorful leaves, and winter is cold and snowy. If this sounds like your area of the country, then this presentation would be great for helping you describe each season and its...

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,...