It's About Time
Orbits and Effects
What does your world revolve around? Challenge the class as they learn about orbits and the effects of them on our modern world. Young astronomers begin by measuring ellipses and calculating the eccentricity of Earth's orbit. Then,...
Earth Day Network
Filtering Water
See the water filtration system up close with a fun science experiment. Young scientists work for several class periods to design a water filter using household objects, and then decide which filter material would be most effective...
Weber State University
The Sun and the Seasons
Why is there more daylight in June than in December if you live above the equator? How does the angle of sunlight shift throughout the year? Answer these questions and more with an interactive article about the sun, its path through the...
National Institute of Open Schooling
Occurrence and Extraction of Metals
Steel is a man-made alloy or a mixture of metals. Lesson 18 in this series of 36 focuses on metals and their extraction from Earth. Individuals read about, discuss, and answer questions after learning how people find most metals, the...
It's About Time
The Sun and Its Effects on Your Community
Why is the sun round? Examine this question, and others, with your pupils while teaching them how to live in a more earth-friendly environment. Pupils explore Sun composition and discuss how solar wind, sunspots, and solar energy affects...
Wilderness Classroom
Pollution
Educate scholars on pollution—air, water, and land—with a series of lessons that begin with a thorough explanation of each type. Learners then take part in three activities to reinforce the importance of reducing pollution. They...
Curated OER
Rocks and Minerals
Take young geologists on an exploration of the collection of rocks and minerals that we call Earth with an upper-elementary science lesson. Through a series of class discussion and hands-on investigations, students learn about the...
It's About Time
Renewable Energy Sources - Solar and Wind
There has been a huge solar energy spill! Let's go outside to play in it. This lesson includes multiple experiments showcasing solar and wind energies. Scholars build a solar heater and an anemometer before testing the results. The...
Laboratory for Atmospheric and Space Physics
Charting the Progress of New Horizons
In 2006, New Horizons began its mission to fly to Pluto. As it continues its journey, scholars track its progress with the help of an informative website, all the while reinforcing measurement concepts with the construction of a scaled...
PBS
Technology: Conveniences and Consequences
It's a delicate balance—using technology to improve our lives while still protecting the environment, and ourselves, from the hazards of technology use. Class members examine statistics about the increase in media use, complete a survey...