   
This lesson builds upon the previous one (Newton's Second Law) by introducing students to kinetic and potential energy. Topics include a brief description of...
In this activity, students quantify and analyze their personal contributions of smog-forming compounds due to driving. The activity builds upon the previous...
This lesson introduces the idea that rates and directions of plate movements can be measured. The discussion centers on the use of mantle 'hotspots' to...
This lesson discusses the question 'What is a mineral?' in the context of the guessing game 'Animal, Vegetable, or Mineral?'. It introduces a definition of the...
This hands-on activity covers the basics of rock identification. After a brief discussion of the terms 'rock' and 'mineral', students will study the...
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The cells of an onion contain sulphuric compounds and other enzymes. When you cut into an onion, they mix, forming sulfenic acids, which in turn becomes a gas. It is that gas that irritates your eyes.
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