When van Leeuwenhoek saw cells and single-celled organisms for the first time, he knew these small things were a big deal! Share his discoveries with young learners through a narrated video, model-building activity, and scale study....

Life science learners read a set of six short Discovery Readings that describe historical events in the field of microbiology. For each, they identify clues about when the event occurred and then they try to arrange events in...

Number patterns can seem mysterious. Help your learners unravel these mysteries as they complete an intriguing task. Through examination, collaborative groups determine that they are able to produce all integers above a certain...

Celebrate the whimsical world of Dr. Seuss on Read Across America Day with a collection of science, technology, engineering, the arts, and mathematics activities, each linked to a popular Dr. Seuss story. 

Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second lesson of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle pollutants. They...

It's a bird, it's a ... device made to mimic birds. The eighth installment of a nine-part module has pupils read various articles to learn about bird flight. They consider the implications for aeronautical engineering.

Challenge young learners to cut the clutter with this fun engineering project. As employees of a home and office supply company, young engineers are asked to develop devices that organize everyday items. After participating in a...

If you’re going to get a tattoo, make sure your artist writes it right because it’s hard to correct their inkings. That’s the big idea in this short lesson on commonly misspelled words like their/there/they’re and it’s/its.  Images...

Get your class to take a closer look at DNA. Pupils conduct research to determine the methods used by scientists to analyze the molecular structure of DNA. The class members investigate different types of molecular imaging along with gel...

[Free Registration/Login Required] This science fiction passage shares what can happen when an alien arrives at a child's lemonade stand. This passage is a stand-alone curricular piece that reinforces essential reading skills and...

So, you've chosen your topic and done your research, now, you need to plan your investigation. PBS site walks you through some steps to help guide you through the planning process.

[Free Registration/Login Required] This passage contains a short biography of Robert Hooke, his development of a microscope, and his discovery of cells. he developed. This passage is a stand-alone curricular piece that reinforces...

[Free Registration/Login Required] This passage is a short biography of Sir Isaac Newton and his discovery of the force of gravity. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies...

[Free Registration/Login Required] This nonfiction piece discusses the discovery of previously unknown planets in the solar system. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies...