Curated OER
Electrical Engineers for a Day
Students build a robot out of a 3-¿¿ inch floppy disk drive, two floppy disks, and some other miscellaneous supplies. They apply information they gather about electrical circuits from a web-based circuit design program.
Curated OER
Making a Food Web and Learning About Ecosystems
Third graders examine the difference between a food web and food chain. They also examine the importance of the sun in a food web and food chain. Students understand what happens when you remove parts of the chain.
Curated OER
What is an Estuary?
Students define the terms estuary and watershed. They conduct an experiment to determine the density differences between fresh and saltwater. They examine the salinity distribution of the Peconic Bay Estuary.
ReadWriteThink
Read Write Think: On This Day in 1918, the u.s. Passed the u.s. Standard Time Act
A classroom activity commemorating the 1918 Standard Time Act and aiding students in learning about differing time zones. Includes lesson plans, web links and an annotated bibliography. From March 19, 2007.
PBS
Pbs Teachers: Time Travel
Use this NOVA lesson to discuss the nature of time and the grandfather paradox. Examine time from different perspectives by plotting ages on a timeline, estimating how long a minute is and imagining going back in time to change something...
Harvard University
Harvard Smithsonian: Everyday Classroom Tools
The focus of this series of lessons is to engage students in an exploration of the world around them. The emphasis is on inquiry as students learn about the earth, sun, light, shapes and more.