Our World A Complex Eco-system

Can we model how large the solar system really is? Attempt an astronomical feat with a hands-on-activity that uses a roll of toilet paper. Young scientists measure the distances of the planets from the sun to create a scale model of the...

How in the world can something as big as the solar system possibly fit in your pocket? Complete this simple modeling activity and find out, as young scientists gain an appreciation for the incredible scale of outer space.

In 2018, the average fast food burger cost $2.64 while a salad averaged $4.14. Does the price difference matter to public health? Scholars consider that question and others in a brainstorming session about improving our global food...

Math and science come together in this cross-curricular astronomy lesson plan on planetary motion. Starting off with a hands-on activity that engages the class in exploring the geometry of circles and ellipses, this lesson plan then...

Take your class on a journey through our solar system. Learners explore each planet, from Mercury to Pluto, and discuss various features that differentiate one from another. They complete activities related to the topics and discuss the...

Ecosystem, human body system, weather system. We hear the word system a lot, but what does it really mean? In the activity, pairs or groups of learners discuss how a bicycle is a system and then analyze objects in their classroom and...

Explore the solar system in detail, from it's origins to its components.  Visual data gathered by actual space missions has been used to create the images and animations on each page of this stellar electronic book about the solar...

The motion of the earth around the sun creates many different patterns in our world. Watch as a video instructor explains the patterns of moon phases, sunrise and sunset times, seasons, tides, and constellations among others. He also...

Learners construct a scale model of the solar system in a long hallway or playing field. They discuss the fact that most of the solar system is empty space, and that outer planets are much farther apart than inner planets. They also talk...

Where does our food come from? Sure, it comes from plants and animals, but how far does our food travel to get to us and what impact does that have on the environment? What types of processing does food go through and what does that...