Students discover fluid dynamics related to buoyancy through experimentation and optional photography. Using one set of fluids, they make light fluids rise through denser fluids. Using another set, they make dense fluids sink through a...

Students consider that under certain conditions in nature tend to remain the same or move toward a balance. They observe populations and determine the functions (e.g., de-composers, producers, consumers) they serve in an ecosystem. They...

Students explore the concept of drought and its significance as a natural hazard. For this drought lesson plan, students complete 13 questions on an "Introduction to Drought as an Ecosystem Stressor" worksheet and discuss the responses...

Students explore channelization, riparian habitats and soil erosion to find out about  the aquatic habitats in Iowa. In this aquatic habitats instructional activity, students define important terms and read an article about...

Students examine meteorites and attempt to recover meteorite fragments.  In this space lesson students complete a demonstration on the impact of a meteorite using water balloons and make experimental predictions.

Students define and examine the connections between sound and music and how engineers design instruments. They listen to examples of musical instruments, view a demonstration of a tuning fork and bottles filled with varying amounts of...

The landscape impacted by glacier activity is drawn at the top of this worksheet. Ten multiple choice questions follow, some relating to the diagram, and some about the quality of soil left by glaciation. It is not often that you come...

High schoolers study the pH scale and sources of acid precipitation.  In this acid rain lesson plan students complete a lab on acid rain then complete a handout.

Students explain how storm tracking is important to understanding sources of acid rain pollution. The read and explain a weather map. They set up plastic or glass collection container for rain in an open area away from buildings and trees.

Middle schoolers explore the concept of philanthropy. In this environmental stewardship lesson, students explore the Greek mythology story of Poseidon. Middle schoolers write letters to Poseidon that address water pollution today and...

Students explain the basic properties of a watershed including how water flows from higher to lower elevations and how watersheds are interconnected. They comprehend how the placement of buildings, roads, and parking lots can be...

Students observe a movie about karst topography over the Internet and note nonpoint source pollution. They discuss ways to manage pollution and their experiences with any polltion sources.

Did you know horsepower is actually based on the power of a horse? 60 horse power is the equivalent of being pulled by a team of 60 horses! Viewers will learn other interesting facts like this from a presentation that begins with the...

Young scholars simulate the distribution of nonrenewable energy resources using cookies. They determine how the world's growing population effects the equitable distribution of these resources. They look at how engineers work to develop...

Students examine porosity and permeability and relate these concepts to groundwater flow. They use simple materials to conduct a porosity experiment and use the information to understand how environmental engineers decide on the...

Students broaden their understanding of the sun, particularly its critical role in warming the land, air and water around us.

Students compare and discuss the warmth of the classroom in a variety of places. They chart the warmth of places inside, outside and a pan of water.

Students examine urban runoff and identify peak flows. They examine causes for different flow rates, and complete worksheets and a graph.

Students investigate the concept of a watershed. They conduct research into the concept using a variety of resources. Students take a field trip to a local watershed to make observations. The outcome is a report concerning the outside...

Students write paragraphs and color illustrations about acid rain. They color in where gases come from, where they mix, and where they return. They discuss where acids form in the atmosphere and list manmade sources of gases.

In this Ancient Rome worksheet, students read about the public health system of Ancient Rome: aqueducts, public baths and sewers.

Learners investigate energy by researching how oil reservoirs work. In this fossil fuels lesson, students conduct an experiment using a half full bottle of water, corn oil and oxygen, recording their data as the elements are mixed...

Students investigate how excess nutrients enter a body of water, and the harmful effects they have on aquatic organisms.

Students recognize that scientists continuously gather and interpret data to understand and predict relationships among natural phenomena. They research various volcanoes and plot the volcano locations on a world map.