Ever wondered how an aquifer works? Introduce your class to the amazing way many people get water by exploring how underground aquifers work. Two fun hands-on activities are used to help kids understand what an aquifer is, how it works,...

Although designed for vocational and auto shop classes, this image of a pamphlet contains everything anyone would need to know about automobile engine the fluids, how to check them, and when to replace them.

Sixth graders investigate the various types of pollutants found in water and ways to help prevent water pollution. Through a hands-on experiment, learners create samples of polluted water by mixing water with vegetable oil, dirt,...

Looking for a valuable resource on the spread of infectious diseases? Here is a lesson in which pupils simulate the spread of diseases and learn about how to prevent them from spreading. Class members read case studies about diseases,...

Young biologists begin researching giardia and completing an epidemiologic triangle. They then portray either a parent of a sick child or a physician in a fun role play activity. 

Apply area concepts to help farmers and settle county disputes. Scholars use a given diagram and information about an insecticide spraying campaign to determine the monetary benefit to farmers. They then decide which of two counties has...

With a piece of plastic here and a piece of plastic there, here a piece, there a piece, everywhere a piece. Teams go on a field trip in order to document the locations and kinds of plastic trash in an area near them. The eighth...

Develop a model of a wastewater treatment center. The last activity of the unit has pupils mix a lake water sample into a tank of water containing fertilizers. Over time, the algae from the lake water grows and removes the nutrient-rich...

A hands-on activity helps learners explore the water cycle. After discussing how they use water, classes discuss water pollution and then move into a simulation where 20 pupils move through the water cycle based on description cards. 

Learners examine Boyle's Law by analyzing experimental results with a hands-on lesson that provides a set of four experiments that illustrate the relationship between pressure and volume of gases. Groups analyze results using...

Super scientists tests the toxicity of water using radish seed bioassays. Over the course of five days, scholars observe the germination process of several radish seeds, looking closely at their roots to determine the level of toxins...

Ingredients in your shampoo are toxic enough to kill plants. The 16th installment of the series of 24 tests the toxicity level of various concentrations of SLS, a chemical found in nearly all shampoo. Learners prepare percent solutions...

Water, water, everywhere, but not a drop to drink—until we clean it, of course! Scholars design a filtration device that removes pollutants from water. The goal is to have the water come out as clean as possible from the device. How...

Sugar isn't good for you, but it's great for yeast! Scholars design an experiment to investigate how variables affect the rate of sugar consumption in yeast. The last installment of a nine-part Life Science unit considers how scientists...

Cultivate bacteria with a straightforward lesson featuring agar. Scholars create a streak plate on agar to ideally create colonies of bacteria or yeast that are growing separately from each...

Don't let your bacteria go to waste. A tutorial explains how to properly store and maintain bacterial stock cultures. It describes the purpose and preparation of a permanent stock, as well as a working stock for use in experiments.

How often have you passed by a recycling container in your school? Scholars research the issue of recycling in the ever-changing global world. Using documentation and video evidence, they form their own opinions on recycling and how it...

Want to learn some quick facts about Victorian England? Check out a series of fact cards that include information about class structure, education rights, public health, and Queen Victoria herself.

The Progressive Era brought about a word that often leads to turmoil—change! Learners research the late 1800s in American history to uncover societal issues gripping the nation back in the day. The 15th lesson of a 22-part series...

How does a change in pH affect the ocean ecosystem? Scholars explore the idea by making an acid-base indicator in part seven of the 10-installment Discover Your Changing World series. First, they explore impacts of carbon dioxide in...

Nitrogen is an essential element for productive farming. An interactive lesson explores the chemical makeup of different fertilizers and their corresponding nitrogen content. The interactive challenges individuals to complete...

Practice reading comprehension through this pollution worksheet, which has learners read an informational passage on various aspects of environmental harm. Key terms are in bold, and are used on the next page in the comprehension...

Students explore water treatment systems. In this water conservation ecology activity, students identify and explain several processes used for water treatment and define related vocabulary after listening to content information given...

Use this lesson to have your charges consider the differences between food spoilage and food-borne illnesses including the differentiation of food infections and food intoxication, including characteristics of each. Some excellent...