Students study trees and their growth.  In this investigative lesson students work in groups to reconstruct a 50 year climatic history using a simulated tree ring. 

Students explore how clouds are produced through three different age-appropriate hands-on experiments.

Young scholars explore agriculture by researching different seeds. In this seed identification lesson, students collaborate in small groups to analyze a package of different seeds. Young scholars utilize a magnifying glass to examine...

Students illustrate the adaptation and co-evolution of organisms. They examine set up an experiment to determine the effect of adding the Rhizobium bacteria to a group of legume seeds.

Learners explore Halloween by examining pumpkins in class. In this pumpkin observation instructional activity, young scholars discuss the method in which pumpkins are grown and the time line it takes a pumpkin to grow from a seed....

Students in groups, map quadrants of the area around the school and make predictions about the direction of waterflow and zones of accumulation that will occur when it rains. Then when it does rain they check to see if their prediction...

Second graders discuss the geologic rock cycle and work with their group to simulate creating a sedimentary rock. They conduct an experiment that demonstrates the sedimentary process and draw the steps of the rock cycle.

Learners understand that a psychrometer is a weather instrument used to detect humidity. In this psychrometer lesson plan, students build a psychrometer.  Learners use their psychrometers to measure humidity activity.

Students explore the earth's atmosphere, weather, and climate. They begin class with a discussion about weather patterns, atmosphere, and the layers of the earth. After the class discussion, students rotate through four stations to...

Students discuss the importance of recycling and preventing pollution. In groups, they complete mini-studies on various environmental issues and evaluate different consumer products. They use global warming data to determine the...

Fourth graders participate in an activity which introduces them to common types of precipitation. They examine "Cloudy With a Chance of Meatballs" through a teacher read aloud and make a weather pamphlet.

Students construct a working model of a turbine and explain how water generates power. By the end of the lesson, they list the effects of Kingsley Dam on people, plans, and animals -- both positive and negative.

Students conduct lab activities, computer visualizations, and other various forms of research in preparation for a role-play activity in which they assume the identities of advisors to various heads of state on the subject of global...

Students analyze the weather patterns in Namibia. They create a graph of the yearly temperatures and use the internet to gather information. They discuss how the weather goes in cycles in the area.

Students examine how river travel affected the Lewis and Clark expedition. They define gravity, slope, and velocity, conduct a river formations experiment, complete an activity sheet, and watch a video about Lewis and Clark.

Students, operating under simulated budget constraints, build pop-rockets and launch them. Working in pairs, they complete budget worksheets and use their "Blast Off Bucks" to pay for the construction. They then redesign their rockets...

Little learners examine a map of the southwestern United States and identify the Sonoran Desert. They locate different cities and rivers, determining whether or not each is found within this special ecosystem. A student handout is...

Learners articulate a possible relationship between arsenic and gold deposits in a written statement using data to substantiate the relationship they describe. They use real data to determine the source of the arsenic in the drinking...

Students complete activities to study wind intensity. In this wind study lesson plan, 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...

Learners develop awareness about the water cycles. They identify the watershed in which their school is located. They explain the role the schoolyard plays in the watershed.

Second graders watch a video about Eric Carle before listening to his story entitled, The Very Hungry Caterpillar. They notice how the caterpillar eats its way through the days of the week and they examine the life cycle of the...

Students write books about trout, completing one page per life stage.

Students create their own gems using a simple experiment and learning process in class.

Students discuss places they have been where the air seemed hard to breathe. They discuss if they could "see" the humidity or smell. Students discuss ways this might relate to the fish in the aquarium. The teacher introduces pH and how...