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

Pupils 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. pupils compare temperatures in the Earth's layers to...

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