Curated OER
Selecting Soil Organisms in Compost
Students conduct an experiment to demonstrate that many of the enzyme systems needed to break down society's wastes exist in nature among the decomposers in a compost pile. They culture compost bacteria on starch agar to examine the...
Curated OER
Selecting Soil Organisms in Compost
Students demonstrate that many of the enzyme systems needed to break down--and therefore clean up-society's wastes already exist in nature among the decomposers. They select the best starch-munching organisms by altering the environment...
Curated OER
Tulips: Predicting the Arrival of Spring
Students use the blooming of tulips as a tool to measure spring's journey north. They predict when tulips bloom at 13 selected Journey North gardens in various geographic regions.
Curated OER
How a Caterpillar Becomes a Butterfly
Student role play and draw the various stages an insect goes through to become a butterfly. They discover the different stages of how a caterpillar becomes a butterfly. Students read The Very Hungry Caterpilla by Eric Carle.
Curated OER
Make Way for Wild Migrants
Learners discuss the threats facing migratory species and track the seasonal journeys of wildlife in real space and in cyberspace. Once they have gathered information from several sources, they create a portfolio to share with others...
Curated OER
The Effects of Ultraviolet Light on Lumbriculus
Students explore the effects of ultraviolet light on Lumbriculus. They expose ultraviolet light to Lumbriculus (worm) and determine the lethal exposure time. They examine the worm and record their observations.
Curated OER
What Trout Need
Students investigate the important components for a healthy trout habitat. In this fish habitat lesson, students discuss how the aquarium will simulate a trout's environment in nature. Students complete a trout information sheet to set...
Curated OER
Spring Awakenings
Students observe changes in a selected tree bud/leaf during spring. They record changes in the bud/leaf using words, pictures and numbers. They understand that trees adapt to changes in temperature, light, and moisture by sprouting leaves.
Curated OER
Youth Engagement
Students examine and then discuss opposite sides of controversial issues such as neighborhood curfews, lowering voter age, etc. They learn civic responsibility and cultivate tolerance for others' opinions.
Curated OER
Floodplains in the Field
Students measure a topographic and geologic cross-section across a floodplain using simple surveying and auguring techniques in a field lab. Students also reconstruct the history of a river system.
Curated OER
Air Pollution Over Where?
Learners predict the movement of an air borne pollutant using their understanding of air currents. They determine which governments and/or communities should be contacted to be forewarned. They also explore the properties of their...
Curated OER
Plastics and Rubber: What's the Difference?
Learners observe how to classify things into groups based on physical properties. In this plastic and rubber lesson students group and sort items to help them to better identify properties.
Pennsylvania Department of Education
Plant and Animal Adaptations
Fourth graders identify behavioral and structural adaptations to plant and animal life. In this unit overview, 4th graders discuss the importance of variation and adaptation in a species survival. This is a unit overview and does not...