Students investigate density. In this density lesson plan, students conduct an experiment using food coloring. Students observe the differences in mixing food coloring in water and oil.

Students identify and complete activities about the structure of the Earth. In this Earth structure lesson, students view a Powerpoint about the Earth's layers and complete a diagram. students compare temperatures in the Earth's layers...

Students investigate crude oil. In this crude oil lesson, students investigate fractional distillation and use this technique to separate two liquids.