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In this health activity (page 3 of the PDF), learners will discover why covering their mouth and nose while sneezing is so important.

In this activity (on pages 22-24 of the PDF), learners match extreme enviroments with life forms they support.

In this health activity (page 7 of the PDF), learners will discover the importance of handwashing as a factor in reducing the spread of pathogens.

In this activity, learners explore the work of paleontologists.

Learners make kimchee or sauerkraut, which is really just fermented cabbage, in a 2-liter plastic bottle.