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The Science Buddies Blog gives students, teachers, and parents an inside look at student science, technology, engineering, and math (STEM) projects, activities, success stories, and real-world connections.

Building and improving a simple dancing robot whose legs fly off is a great way to "teach" lessons related to engineering and troubleshooting.

Scientists now have accurate methods (see below ) for dating fossils.

methods rely on characteristic faunal and geological patterns to bracket the period when the fossil existed.

Choose: No Frames Layout Choose: Human Evolution Frames .

I have integrated this web page on human evolution into an electronic text, " Nature's Holism - Holism.

To determine the year age (absolute age) of an object, a number of chemical and radioactive techniques can be used.

Four main methods have been used in Willandra archaeology.

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Amateur Radio | |Biology | Books | Chemistry | Data Sheets | Electronics | Math | Microscope | NASA-TV | | Photography | Physics | Radio Astronomy | Robots | Science News | Space-Astronomy | Transistors | Search This Site | The OCR Carbon Dating Home Page Carbon Dating Carbon Dating How accurate are Carbon-14 and other radioactive dating methods? Radiometric Dating BBC - History - Archaeology - Carbon Dating Dating Exhibit How about carbon dating?

Howstuffworks "How Carbon-14 Dating Works" radiocarbon WEB-info The method How accurate are Carbon-14 and other radioactive dating methods?

Despite seeming like a relatively stable place, the Earth's surface has changed dramatically over the past 4.6 billion years.

Congratulations to everyone who joined the challenge and shared their creation! Have you and your kids ever cracked open a geode to reveal the crystals inside?

This is a great way to add something special to a prized rock collection and can be a lot of fun for kids who are interested in geology, rocks, or crystals.

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