13 Ways to Tell Time Backwards

Schools generate a lot of trash. This lesson has groups collect data about the amount of trash that people generate at school over a period of time. They sort the trash and determine the amounts based upon type. The class determines the...

Take your time with this lesson. Junior engineers read about different types of clocks and then work together to build a pendulum time-keeper. There are no hints as to how they might go about accomplishing this complex task, so you may...

It's story time! Show your class how to use a distance-time graph to tell a story. They learn to draw and analyze a graph using distance and time data. The story then continues to compare velocity and time. 

Where does Earth fit in the grand scheme of things? Find out in an intriguing video filled with facts and beautiful images! Learners journey to the center of the Milky Way to discover how our galaxy works. The narrator describes the...

Has your class ever wondered why time always progresses in a forward direction and why we cannot travel backward? Learners view this short video segment to explore the concept of entropy and its relevance to time in relation to their...

Did you know an insect has unique mouthparts based on what and how it eats? This is a simple way to identify the order an insect belongs to. Watch a video that explains the interesting world of insect mouthparts.

Can someone really have a "biological clock"? Discover why many organisms on earth have an inherent awareness of where they are in the day's cycle.This video discusses animal adaptations, the earth's revolutions, and how light and...

What is the fastest way to get from point A to point B if you are going through two different mediums, such as air then water? Scholars explore the way light travels through air, water, acrylic, glass, and diamond as they answer this...

Jr. high learners explore the concept of Elongation. They analyze the phases of the moon and position of the sun in order to create a flip book. They will then use their books to determine the local time using the sun and moon. Excellent!

Future engineers test different alloys to determine the specific strength of each one. Based on the results, they make a recommendation to NASA on which alloy to use on engines for spacecraft.