Except for a few blurry photos that you can leave out, this is a succinct, yet purposeful presentation. It explains what causes ocean waves, the parts of a wave, and how they break against a shore. It details the cause of tides and...

Colorful in appearance, but without any photos or graphics, this PowerPoint is best used as a note-taking guide for your lecture. Viewers in your earth science class will discover characteristics and phases of the moon, its role in...