How Do We Know Which Trees to Tap?

Trees are everywhere! Yet what do these majestic organisms do for their ecosystem, and why do some have leaves and some have needles? During a five-day activity, young scientists investigate trees by analyzing the water cycle,...

Help young conservationists appreciate the important role that trees play in ecosystems around the world with this collection of six engaging activities. From a shared reading and class discussion of Dr. Seuss' The Lorax, to in an depth...

Blow the minds of young scientists with this collection of inquiry-based investigations. Based on a series of eight videos, these "hands-on, minds-on" science lessons engage young learners in exploring a wide range of topics from making...

If you knew that you were likely to develop Alzheimer's disease in your future, how would it affect your life in the meantime? This and other similar thought-provoking questions are discussed in a lesson plan about the availability of...

What is out there? Groups create an alien world and determine its characteristics. The groups then become mission planners and design a mission to visit another group's world in order to find out more about this world. 

What is an emergency, why is preparing for one important, and how can your pupils help others prepare for an emergency? Answer these questions and more with a short unit. Learners will participate in a variety of collaborative,...

If you discover an unknown powder, how do you determine if it is safe? Lesson uses four different tests to identify the properties of various powders that appear the same. Then scholars get an unknown powder and have to determine which...

Step out of the 21st century and discover protons and electrons through observation. Using common materials, participants continually adjust their explanation of charges. The final assessment requires pupils to design their own...

The big question is, how do we know about the composition of the earth's core? Sal explains that at 105 degrees from the source point of an earthquake the phenomena of p wave shadow zone leads us to conclude that the waves are traveling...

It seems like a simple process: we breathe in, our nose detects different scents, and our brain interprets the smell. But how does it actually work? How can something smell like vanilla to one person, but like urine to someone else? How...