Defying Gravity

Smells to Mars

		Lesson This 8 page lesson is packed with information about the olfactory sense in animals and humans. The essential concepts arise from a discussion of how microgravity affects an astronaut's ability to smell and proceed to examine the comparative anatomy of 'microsmatic' and 'macrosmatic' animals. Read the lesson to find out more.

		Laboratory This lab asks students to identify ten to twelve "mystery" scents. ranging from food items to soap, vinegar and coffee, this lab has been extrememly well reviewed in testing and use around the country. How to set up your lab

		Homework This exercise introduces students to the basic concepts upon which the lesson builds. It is most effective if assigned prior to the lesson.

		Visuals This thirty slide presentation contains images and diagrams that bring light to the lesson's complex anatomical discussion. This PowerPoint presentation is particularly helpful in explaining the comparative anatomy of humans and other animals.