Students compare drip rates at several different locations throughout a cave. They observe, first hand, the heterogeneity in flow paths present in karst aquifers such as the Edwards aquifer.

Learners examine the effects of acid rain on plants. They observe the growth of seeds and the health of different plants for a month. They share their findings with the community.

Learners observe pictures of themselves using film and discuss how they think the image is processed to produce a photograph. They are introduced to photogram paper comparing it to photograph paper but understanding that no film is...

Students examine how candles work and how scientific theories are developed and tested. Students propose hypotheses about what is burning in a candle then perform tests in order to develop their scientific theory. After a teacher...

Students recognize that all cultures have the same needs that they try to satisfy in ways that their predecessors found effective in their particular environments. Students discover how and why cultures change their customs.

Learners explain the cause of and effects of fluid shift in a microgravity environment. Students identify the effects of microgravity during long duration space flight. Learners describe research on cardiovascular effects in microgravity...

Young scholars build their own wind turbine. In this physics lesson, students calculate the power output of their wind turbines. They evaluate their design and make the necessary modifications.

Students read nonfiction books and magazine articles about whooping cranes.

Students explore the food pyramid through a class discussion, hands-on experience with food items, and a floor game that helps them to identify the food group involved. Lesson extensions include the use of play money, art, and dance.

Third graders develop and create an electronic portfolio on their hometown, school, and themselves to send to a school on the Iditarod Trail. They gather information from the Internet, printed materials, and a digital camera.

Seventh graders participate in an experiment in which they calculate the time of decomposition of different materials. In groups, they fill bags with different materials and cover them in soil. After six months, they create a line graph...

Learners try to reach a "best explanation" after viewing diagrams.  In this trackway lesson students complete several worksheets, make observations and hypothesize.

Students research weather instruments. In this weather lesson plan, students use the Global Climate DVD and take notes on weather instruments. Students answer multiple choice questions on a worksheet.

Learners construct rain gauges and use them to log rainfall in their school zone, local city, and region and then compare and discuss them by plotting this information.

Seventh graders view a painting of the destruction of Mission San Saba in Texas. They discuss the painting and identify information that they can infer from the painting.

Learners examine a fairy tale character of their choice in great detail. They create a wanted poster that includes the following: a picture of the character, a written description of his/her appearance, a reward amount, and reasonthe...

Pupils set up a recycling program in their school. They first estimate the kinds and amount of trash generated and brainstorm ways to reuse the recyclables and create flyers explaining how their program will work at the school.

Sixth graders discover the ways archaeologists examine artifacts and where they are found. After being introduced to new vocabulary, they use artifacts from their own lives and discover what could be told about their life from them. ...

Students study weather forecasting. In this weather lesson, students explore forecasting weather methods and do a forecast. Students study weather reports and discuss the elements of a forecast. Students study the method of persistence...

Students create a torn paper landscape and use it to study clouds. In this cloud study and art lesson, students make a background art image from torn paper. Students create a torn paper landscape and use cotton balls to illustrate...

Students complete activities to study wind intensity. In this wind study lesson, students discuss wind speed and direction. Students then build a kite and windsock to help them study wind intensity. Students learn to use a wind meter for...

Students research historical regional temperatures for their current season. In this historical weather lesson, students conduct weather station and Internet research to learn about historical regional temperatures. Students collect and...

Middle schoolers study weather proverbs. In this weather lesson, students list weather proverbs and complete the worksheet to test the proverb. Middle schoolers design an experiment to test the weather proverbs and conduct the experiments.

Students think critically to determine fact or inference when examining sedimentary layers with embedded fossils. Geology and evolutionary biology are introduced. They individually write a story about various diagrams and share their...