First graders discover how clouds are formed and how they affect weather. After being read a book, they place air into a Ziploc bag and place it in the freezer. They discuss the results and take a walk outside to observe real clouds.

Students watch a video about plate tectonics. in this Earth Science lesson plan, students watch a video clip from Bill Nye about Continental Drift and Plate Tectonics. They make a slight crack in a hard boiled egg and manipulate the egg...

In this math skills worksheet, students solve 10 multiple choice math problems regarding probability. Students may view the correct answers.

Describes different landform types and their features. includes many good quality photographs.

Read this article to learn how scientists are using instruments to try and monitor our land biosphere. Scientists have learned two different types of models to help track data from our land.

Lesson plan with subsequent pages to use with the lesson. Images with landform word match up and additional work on earth modeling.

Describes the processes that cause the formation of waterfalls, examples of waterfalls around the world, and the different types.