Students study and identify different types of simple machines and how they work. They design a simple machine.

Students evaluate the impact of volcanic ash on the surroundin environment. Through discussion, videos and activities, they identify the various ways in which volcanic ash can be more detrimental than volcanic magma and lava.

Students answer questions that are related to factors that determine the type of mining used? They are able to answer questions after reading the assignment. Some questions that are asked: Briefly describes the steps of surface mining....