The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and...

Energy conservers investigate gravel size to discover if it impacts the amount of oil recovered in the extraction process. 

In this everyday editing worksheet, students correct grammatical mistakes in a short paragraph. The errors range from capitalization, punctuation, spelling, and grammar.

Can you believe the gopher tortoise was around when the dinosaurs were walking the Earth. Learn all about this creature that is one of Florida's most popular reptiles. Hands-on-activities and a glossary full of scientific terms...

Mammals are some of the newest organisms to appear on Earth. Young scholars complete an activity that results in a timeline showing the appearance of different types of living organisms. Provided with a list that spans from prokaryotes...

Radiometric dating, fission-track dating, and amino-acid dating are explained in this succinct site.