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Can You Pass This Basic Middle School Science Quiz?
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Middle school science is no joke; they start giving you the super-hard science then. Why not see how well you can do on a middle school science test? Grab your pencil and take the quiz!
Where Does Water Come From?
science.howstuffworks.com/environmental/earth/geophysics/water-come-from.htm
Where does water come from? We know that water surrounds us, but have you ever wondered about its origins? Find out where water comes from.
What's the Difference Between Global Warming and Climate Change?
Global warming and climate change are terms often treated like synonyms, but they have different meanings. We'll explain the difference and why both are so important to know.
What Are the Nitrogen Cycle Steps?
science.howstuffworks.com/life/biology-fields/nitrogen-cycle.htm
The nitrogen cycle is the system by which nitrogen is converted into different chemical forms, some usable to humans and animals and some not, as it circulates among the atmosphere, the land and the oceans.
Exploring Mars: Insights Into the Red Planet
science.howstuffworks.com/mars.htm
Since the 1960s, we've been captivated by the planet Mars. How different is our neighbor, and what have we learned about the most explored planet?
How Space Shuttles Work
science.howstuffworks.com/space-shuttle.htm
In its nearly 30-year history, the space shuttle program has seen exhilarating highs and devastating lows. Learn all about the space shuttle program.
Why Does the Moon Look So Much Bigger When It Is Near the Horizon?
science.howstuffworks.com/question491.htm
Why does the moon look so much bigger when it is near the horizon than when it is high up in the sky?
What Are Skyquakes?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/what-are-skyquakes.htm
Skyquakes have been heard in the U.S. and all over the world. HowStuffWorks looks into the mystery.
Why Are There Dozens of Dead Animals Floating in Space?
science.howstuffworks.com/dead-animals-in-space.htm
Neil Armstrong may have been the first man on the moon, but he wouldn't have gotten there without fruit flies, rhesus monkeys or a dog.
How did a meteor make hundreds of people sick?
science.howstuffworks.com/peru-meteor.htm
A meteor strike in Peru may have made up to 600 people sick, according to recent reports. Find out if the meteor strike in Peru is what made people sick.