It is easy to see that the sky is blue. Have you ever wondered why? A lot of other smart people have, too. And it took a long time to figure it out! The light from the Sun looks white. But it is really made up of all the colors of the rainbow. You learn that the light… Read More »
The most common causes of tsunamis are underwater earthquakes. To understand underwater earthquakes, you must first understand plate tectonics. The theory of plate tectonics suggests that the lithosphere, or top layer of the Earth, is made up of a series of huge plates. These plates make up the continents and sea floor. They rest on an underlying viscous… Read More »
People every where love chocolate of every kind. Not only is it a tasty treat for many, chocolate also boasts certain health benefits when consumed in moderation. Dark chocolate – the healthiest variety – promotes physical health and even functions as an aid for combatting foul moods and stress. Chocolate can be used, in appropriate quantities, as one… Read More »
A geyser is the result of underground water under the combined conditions of high temperatures and increased pressure beneath the surface of the earth. Since temperature rises approximately 1 F for every sixty feet under the earth’s surface, and pressure increases with depth, the water that seeps down in crack and fissures until it reaches very hot rock… Read More »
Floods are second only to fire as the most common of all natural disasters. They occur almost everywhere in the world, resulting in widespread damage and even death. Consequently, scientists have long tried to perfect their ability to predict floods. So far, the best that scientists can do is to recognize the potential for flooding in certain conditions.… Read More »
