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....

It's time to boldly go where your class has not gone before! The introductory instructional activity in a five-part series takes young oceanographers aboard the NOAA Ship Okeanos to begin a study of ocean exploration. The instructional...

What's it like to be a deep-sea explorer? Tap into the imaginations of your fifth and sixth graders with a vivid lesson, the second part of a six-part adventure. Learners close their eyes and submerge themselves in an expedition aboard...

Would astronauts be able to grow their food on the Moon? Teams research plant growth in order to design and build a growth chamber that will function on the lunar surface. They narrow down plant choices based upon their...