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Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

In this open-ended multicultural lab activity, learners investigate the effectiveness of herbal remedies.

In this activity, learners use coverslips to collect organisms from a pond, estuary or marine environment and then examine what they have caught with a microscope.

In this activity, learners play a series of simple games to investigate navigation without visual and sound cues.

Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.

In this experiment, learners will explore whether increased carbon dioxide makes our oceans more basic or more acidic.

This lesson is designed to serve as an introduction to the immune system. It can stand alone or it can lead into further studies of the immune system.

The purpose of this lab is to recognize that the answers to some of society's industrial challenges may lie right in our own backyards.

In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

Many common household cleaners are antimicrobials.

In this outdoor activity, learners visit the intertidal zone of a rocky coastal site well populated with marine organisms.

This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.

In this laboratory exercise, learners will discover how many different plant hosts they can find that are infected by the same genus of a powdery mildew fungus, or how many different genera of powdery

In this activity, learners use a chemical reaction to visualize where moisture forms on the body.

In this lab, learners evaluate the relative effectiveness of various chemical substances (i.e. garlic powder, bathroom cleaner, mouthwash, etc.) as antimicrobial agents.

This exercise can be used to stimulate the investigative nature of learners as they use forensic plant pathology techniques to prove the learners' innocence in a mock murder investigation.

Extract your DNA from your very own cells! First, learners swish salt water in their mouth to collect cheek cells and spit the water into a glass.

In this activity (Page 22 of PDF), learners investigate the evolution of wheat by washing different types of dough with water and comparing the results.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.