Atmosphere Molecules

Seeing is believing! Bring DNA to life for young biologists using a simple extraction lab. Individuals extract the DNA from wheat germ, then place it in a microcentrifuge tube for observation. They thread yarn or other material through...

Join the tree house detectives in learning about the processes of the water cycle, water conservation, water treatment, and water as a limited resource.

Learners analyze an article about fight traffic and answer questions.  In this investigative lesson students study flight and fill out a worksheet pertaining to the information that they just learned. 

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...

Students experiment with objects of different densities. In this density instructional activity, students examine same-sized objects with different weights, then look at a teacher explanation of density. Students make wave bottles and...

Middle schoolers explain monomer/polymer chemistry of starches and sugars.

Young scholars explain that air pressure applies a force. If any of students have flown in an airplane, they have felt the "popping" of their ears caused by the change in atmospheric pressure because of the altitude changes.