Students put objects and materials into groups based on their observable properties, test materials for strength and absorbency, and use their results to make a boat that can hold the most pennies ...

This lesson is modified from curriculum developed by Dale Sawyer (Rice University, Houston). 2 copies per student of Handout 2a: Plate boundary map 1 copy of Handout 2b: Seismology map showing ...

As part of their studies, Garrett Cathell’s science class hatched turkens, a type of chicken that looks like a cross between ...

Through investigating solids, liquids, and gases and the phenomena of dissolving, evaporation, and condensation, students develop models to investigate matter at the particle level.

We teamed up with the makers of BBC One's Frozen Planet II for a Live Lesson exploring the coldest places on Earth and the impact of climate change on the icy habitat of harp seal pups. This cross ...

We take over the Operation Ouch! lab in this fun science lesson for 7-11 year-olds all about healthy hearts and circulation. Dr. Chris and Dr. Xand van Tulleken explain where the heart is in the ...

The earliest scientists first observed the waves that earthquakes produce before they could accurately describe the nature of earthquakes or their fundamental causes, as discussed in Lessons 1–5.

虽然目前全世界只有约 5%的供水是通过海水淡化生产的，但预计未来十年新建海水淡化厂的数量将增加一倍以上。这可归因于气候变化的影响、人口增长导致的需求增加、新的廉价陆地水源有限，以及膜技术的进步预计将进一步降低海水淡化的成本和能耗。

A small group of Nenana-area residents circulated through the Nenana City School library Friday evening to pick up a blend of ...

Second graders in Erin Chrzanowski’s classroom work on spelling words that end in silent e Thursday. The lesson is part of ...

Ello is a fully digital AI reading companion that harnesses proprietary, industry-leading child speech technology to democratize personalized reading instruction at scale. Leveraging the world’s ...

Deb McCarthy’s quest exemplifies the deep frustration shared by many educators about the MCAS, which is fueling the biggest ...