Using helium as an example of propane, physical science middle schoolers experiment with and graph the relationship between temperature and volume in gases. In a whole-class demonstration, they show how molecules behave under different...

Science rocks! Explore three types of rocks and the rock cycle with an igneous rocks experiment. Pupils discuss textures, composition, and learn how melts are formed from the Earth's crust. They weigh materials using a scientific scale...

In this air worksheet, students name gases found in the air, what gases are removed from the air during different processes, and determine what happens to air if there are changes in pressure, volume, or temperature. This worksheet has 1...