Students analyze the calcium content of egg shells as an introduction to the toxic effects of pesticides on biological systems.

Students participate in an activity to examine the concept of risk. They discover that not all risks have the same consequences. They work together to complete a worksheet on probability and their perceptions.

Students examine how all levels of government react to chemical emergencies. They identify activities which could lead to an emergency. They discuss how they respond to contaminants released into the air.

First graders determine the difference between good and bad drugs. In this lesson about drug awareness, 1st graders explore differences between drugs. Students will look at picture and understand what uses there are for drugs. Students...

Students create a diagram that traces the path of a raindrop from its source into the water supply for their house and back to the environment. They also diagram the processes that occur in a sewage treatment and water treatment plant.

In this science activity, students focus upon the concept of decomposition and collect data in order to make interpretations or observations.

In this identifying toxic products worksheet quiz, learners read the location where items are found and a question about the products, and choose a multiple choice answer. Students choose 27 answers.

Seventh graders summarize a newspaper article. In this writing lesson students choose a newspaper article about an environmental issue. The students summarize the article and devise a solution to the environmental issue.

Students study the Pacific salmon and see the different challenges they face.  In this environment lesson students complete several activities that show how humans have affected the salmon environment. These activities have varying...

Seventh graders examine the different types of pollutants. In this environmental science activity, 7th graders observe particulate matter under a microscope. They explain how these can affect once health when breathed in large quantities...

Students investigate air and water pollution, and the conservation of natural resources.

In groups, students create their own scientific impact experiments using ordinary materials, and observe and measure results with a variety of impacting bodies and velocities.

In this hazard symbols worksheet, students are given six symbols commonly used in the lab to indicate hazardous materials, agents, and situations. Students look for each symbol around the classroom, on worksheets, and in textbooks.

Students examine the effects of rainfall on different surfaces and discuss water pollution. They review the water cycle and the uses of water in daily lifestyles. Students discuss the effects of soil run off in streams and rivers.

Tenth graders participate in hands-on activities that require them to consider the implications of water pollution. In this environmental stewardship lesson, 10th graders conduct 6 experiments pertaining to water pollution and discuss...

Students study how the human body fights off disease causing agents.  In this human health lesson students study the use of antibiotics and the problems misuse can cause. 

Students study immune responses and the structures that are related to immune cells functions.  In this fighting infection lesson students construct antibody complexes and model the interaction of the immune system when it is...

Students examine the effects of specific enzymes on samples of liver tissue, muscle tissue (chicken), apples, and potatoes.

Students examine the issues surrounding air pollution. They discover how it affects peoples health and the government's regulations. They complete a word search activity to practice the vocabulary.

Students observe the effects of water on four different packing materials to determine which ones are more soluble. They then decide which material would be a good packing material to use for the environment and which may be a bad...

Students explore the basic concept of physical and chemical properties of the element lead, as well as its historical and modern day uses, and how and why it is toxic to the human body. They are shown the basic reactions of the element...

Students follow the cycle of a raindrop from its source into the water supply for their houses and then back to the environment. They draw and, properly label and explain a diagram of a water treatment plant and a sewage treatment plant.

In this chemicals worksheet, students review how to read chemical labels, define an acid-base indicator, and decide which way strong acids can be dangerous. This worksheet has 15 short answer and 20 fill in the blank questions.

In this biology learning exercise, students learn about cells and their various parts. They first read a page and a half of facts about cells and then answer the 10 questions in the packet. The answers are on the last page.