Scholars investigate levels of nitrogen dioxide in the Pacific Northwest by examining the role of nitrogen in air pollution and how remote sensing can be used to measure nitrogen levels. An Excel spreadsheet calculates the difference...

Investigate desert biomes by creating food chains and food webs. Groups first research feeding habits of organisms in the Sonoran Desert. This information helps pupils draw food chains and webs to determine relationship between organisms.

Investigate sound waves with acoustic mirrors. Using audio software, groups make recordings of musical instruments, both with and without acoustic mirrors. They compare the recordings to see the effect of acoustic mirrors on sound...

Forty-five states and territories in the USA are at moderate to very high risk of earthquakes. The discussion-based lesson covers what to do before, during, and after an earthquake. The 14th lesson in the series includes how to...

Energy transformations happen everywhere, every second of the day. The energy transformation common to most scholars is potential and kinetic energy. The three-week lesson covers multiple types of energy transformations through...

Take a "conservative" approach to planning your next unit on mass and matter! What better way to answer "But where did the gas go?" than with a lab designed to promote good report writing, research skills, and detailed observation....

Take your biology class' understanding of biodiversity to a whole new level! Ecology scholars use data to calculate three different diversity indices based on the organisms in the Gorongosa National Park. The four-part activity uses an...

Ever wonder how they solve those mysterious murders in TV crime dramas? The second of four units in a Biotechnology series introduces scholars to the many methods of DNA analysis. Pupils create and run their own gel electrophoresis...

Explore the food chains that support Arctic ecosystems. A class discussion on interdependence and the different roles plants and animals play in ecosystems provides students with the knowledge to complete a worksheet asking them to...

How does the Earth continually repair itself? Explore the answer to this question, and others, with a unit on plate boundaries and interaction. Pupils classify the types of movement at plate boundaries and identify the...

Students use a simple method to collect living microorganisms from natural and/or artificial environments and develop skills in microscopy, observation, drawing, speculation, hypothesizing, oral presentation, and raising questions.

Future chemists practice laboratory techniques by creating a monochloramine solution. The objectives are to use of dilution, 9concentration, and measurement skills and to prepare a solution that will be used in a water treatment...

Third graders investigate the balance of ecosystems and how each species has different survival needs. They research on the internet using the site included. They then participate in activities/centers utilizing the facts they discovered.

Students plant seeds in order to investigate and explore the questions: "How do seed companies develop varieties of plants?" and "What is the ideal plant?" Students will study related vocabulary and sketch seeds as they emerge. Students...

Students discover heath problems caused by tobacco.  In this human health lesson, students identify the many diseases tobacco use causes and how to prevent such diseases.  Students investigate the organs in the human body...

Students study how cancer cells mutate and affect cell division.  For this investigative lesson students view a PowerPoint presentation learn the seven warning signs of cancer. 

The flu has been a deadly epidemic many times in the past. By examining technological innovations throughout history, then simulating the spread of disease from person to person through a classroom investigation, and finishing up with...

Discover how the periodic table tells the story of its elements. Learners begin by studying the makeup of several mixtures. Their analysis leads to a discussion of elements and the periodic table. As they dig deeper, they understand the...

Students investigate magnetic evidence that supports the theory of sea floor spreading.

Space scientists investigate the cosmic phenomena in order to search for answers to possible origins of the solar system. They consider the concepts of elements and  isotopes. Data is analyzed looking at tje abundance of elements...

Here is a full-fledged investigation of light waves, the electromagnetic spectrum, and element spectra. Physicists research a scientist that contributed to our understanding of the behavior of light. They take notes on your lecture, and...

Students investigate recycling at several scales, including local, state, national and global. They become aware of recycling, re-use, reduce efforts and policies. Students read the article Where Does Your Garbage Go. They look up where...

Students investigate ways to save energy. In this environmental lesson, students play the role of a building inspector and identify "culprits" that waste energy. Students use a checklist to identify specific practices that waste energy.

Teams select a society to investigate and create a chart comparing and contrasting the status of girls in that society with their own. They then craft and illustrate a personal narrative written from the point of view of a girl living in...