13 Ways to Tell Time Backwards

Human fingerprint patterns are the result of layers of skin growing at different paces, thus causing the layers to pull on each other forming ridges. Here, groups of learners see how patterns and fingerprints assist scientists in a...

The steps of the scientific method examine a problem, make a prediction, and attempt to solve the problem—similar to the path most stories take. In the activity, individuals see how stories can explain natural events similar to the way...

Learners are given a problem or hypothesis, they can create a relevant experiment using the steps to the scientific method. They collect quantitative and qualitative observations in scientific experiments. Students identify the...

Do you often go to bed and wake up around the same time? Does your stomach begin to growl at the same time before eating lunch? This pattern is known as a circadian rhythm. Watch a video that explains the physiological phenomenon and how...

An excellent lesson tidal patterns is here for your middle and high schoolers. In it, learners read a tide chart, determine the high and low tides for a particular place, and learn how to correct for differences in tidal times and...

Students place events in sequence and assign relative times to each event. They gain an understanding of relative and numerical time and become familiar with the methods used by scientists to develop the Geologic Time Scale.

If you have ever had to adjust to a new time zone, you have noticed that it takes a while before you start to feel normal again. By shifting your sleep and activity schedule, you have altered the pattern of your body's circadian rhythms....

Students build a realistic sense of geological time, seek clues of transition fossils and find them.  In this investigative lesson students complete several activities and worksheets on fossils. 

Students use historical aerial photographs and current aerial photographs to compare the change over time to the land. In this land changing lesson plan, students analyze, compare, contrast, and list the land change in their own community.

When your smartphone tells you the weather of your current location or gives you directions to the nearest gas station, there's more going on that you might realize. Follow along with this short video as it explains how...