A lesson about how to identify kindness online. [2:09]

Explains different kinds of energy, covering kinetic, potential, gravitational, mechanical, sound, thermal, chemical, electrical, and radiant energy. Also looks at storage, transfer, and dissipation of energy. Includes a short...

Learn about the different kinds of forests, how forests are structured, their importance, deforestation and its impact, forest degradation, and what individuals can do to protect forests.

[Free Registration/Login Required] Staying safe online is a lot like staying safe in the real world. By helping a Digital Citizen sign up for a new app, 2nd graders learn about the kinds of information they should keep to themselves when...

As students become more aware of text complexity, an understanding of the formal properties of literature becomes more important. This is an excellent examination of the kinds of choices writers make that change the way readers receive...

Describes four different kinds of fossils and how they form.