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Science Projects for Kids: Chemical Reactions
lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-chemical-reactions.htm
These science projects for kids show how chemical reactions can change color or cause explosions. Learn science projects for kids: chemical reactions.
Are there CO2 emissions from natural gas?
science.howstuffworks.com/environmental/energy/emissions-natural-gas.htm
Until recently, natural gas was thought of as one of the cleanest fossil fuels. Yet new studies say it may be worse for the ozone layer than coal -- a fuel well-known for its harmful emissions.
Everyday Science: Diamond Quiz
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A famous slogan claims that a diamond is forever. While these precious stones symbolize love and glamour for millions of couples, there's a lot about nature's most famous jewel you might not know.
Fossil Activities for Kids
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Fossil activities for kids are a fun way for kids to find fossils in their own neighborhoods. Learn more about fossil activities for kids here.
Why Some Animals Eat Rocks to Aid in Digestion
animals.howstuffworks.com/animal-facts/gastroliths.htm
HowStuffWorks takes a look at gastroliths, or 'stomach stones' and why some animals eat them.
Earth: A Primer on the Third Rock From the Sun
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Earth is an enormous and extremely complex planet. Learn about the inner workings of the planet Earth and find out what forces are constantly at work on Earth.
How Do Scientists Determine the Age of Dinosaur Bones?
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Every time a new fossil is found, one of the first things scientists determine is how old that fossil really is. But how do they determine it, and how can they be completely accurate?
How Sinkholes Work
science.howstuffworks.com/nature/natural-disasters/sinkhole.htm
Sinkholes are much more than holes in the ground. Learn how sinkholes can cause the Earth to swallow up you, your home and your car.
How Do Fossils Form? A Journey Through Time
science.howstuffworks.com/life/evolution/question609.htm
What is a fossil? How do they form?
Venus: Earth's Blazing-hot and Bizarre Twin
science.howstuffworks.com/46009-venus-explained.htm
The atmosphere is crushing on Venus, and it's so hot lead would melt. But the planet still has a lot in common with Earth. We'll explain.