Why do some materials sink to the core of a planet while others float to the crust? This experiment uses marshmallow fluff and molasses to illustrate the concept of planet differentiation.
Did it all start when an apple bopped Isaac Newton on the head? This activity explores some of the ways his fundamental laws are expressed in our dynamic solar system.
What’s the universe made of? Scientists tackle this puzzle by studying the composition of the different objects contained in the universe. In this activity the object is the Sun, and the tools are the periodic table and a graph.
Want to learn more about archaeology but don't know where to start? Dig in with this list of books, with titles for both kids and adults.
Explore Petra and learn more about archaeology with this Web list for kids and adults.
Archaeologists can’t just dig into a site like it’s a sandbox—they’d scramble the evidence and more than likely destroy precious artifacts. Try your hand at the careful sifting they employ.
How does one generation stack up to the next? Find out why it’s easier for archaeologists to answer this question when a family settles in one place.
Did you know that Vietnam has 54 officially recognized ethnic groups, speaking more than 50 languages? Explore the country's rich diversity with a look at the many traditions that define contemporary life in Vietnam.
Now that peace has firmly taken hold in Vietnam, scientific research is flourishing once again. Meet some of the country's diverse animal and plant life, including many rare and endangered species.
Young Naturalist Awards Essay
A treasured collection of geologic samples from the Arizona mine where her grandfather worked launched this 7th-graders's interest in Earth science.