Mark Twain's life, politics, writing, and role as a mirror of pre- and post-Civil War American culture are the focus 11th and 12th graders in this section from an expansive author study. A critical writing assignment comparing Twain...

Students demonstrate the scientific method by conducting an ice cube melting experiment. They make predictions and observations, and conclude what factors make ice melt more slowly or quickly than normal.

Students use their musical talent to create a song for the class fishtank. In a group, they compose two or three songs about their own tropical fish in which they can use any rhythm and musical instruments they choose. They perform...

Sixth graders investigate how the web works and how to search effectively. In this Internet use lesson, 6th graders brainstorm positive and negative experiences they have had while on the Internet. Students view two web sites to learn...

Third graders experiment with common household liquids and solids. In this chemical reaction lesson, 3rd graders discuss phase changes and experiment to find other ways to create gases. They use water, vinegar, lemon juice, flour, baking...

Students explore data on some of the landforms in Nebraska to distinguish between porous and nonpremeable soils. The state's groundwater is investigated.

Students explore the Ogallala Aquifer in the state of Nebraska. The signs of pollution found are examined and the data classified.

Students analyze the parts of the water cycle through research and experimentation. Particular attention is paid to the processes of evaporation and condensation.

Students construct a model of a well to identify how water is brought to the surface. Signs of pollution are investigated.

First graders experiment with fat content by analyzing snack foods. They learn what makes up a nutritious snack.