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Hipervinculo Geología
Rocks are not only changed by water, wind, and ice but can also be changed by chemicals. Chemical weathering is the process by which the actual minerals that rocks are made of are changed. Chemical we ...
Hipervinculo Geología
Geodes are formed in empty spaces inside rocks. Fluids containing minerals make their way into a rock’s cavity and crystals begin to grow. From the outside they look like an ordinary rock, although th ...
Hipervinculo Geología
Limestone is composed of tiny shells that fell to the ocean’s floor when sea creatures died. The pressure from other shells, the water and sand washing over them squashes the tiny shells together into ...
Hipervinculo Geología
The formation of stalagmites and stalactites happens through the capillary action between porous rocks and water rich in minerals. The rocks attract the water and the moisture accumulates until gravit ...
Hipervinculo Geología
Water has power! It has the power to shape the surface of the Earth. Water can change one landform by washing away sediment and then depositing it somewhere else to create a new landform. How are new ...
Hipervinculo Geología
Rocks are ever changing.They can be smoothed by water, broken off by wind, and cracked by ice.If you found a rock in your backyard then traveled back in time 1,000 years, that rock would look totally ...
Hipervinculo Biología
Whole blood is made of three kinds of blood cells, suspended in a fluid called plasma. In this project you will study the different types of blood cells under a microscope, illustrate the functions of ...
Hipervinculo Biología
Long ago, the opal was considered a predictor of illness. This may sound whimsical until we understand that the opal loses its shine as temperature increases. Thus, an opal tucked under the armpit of ...
In this experiment, students will learn whether eating a hearty breakfast before and exam will get them better test scores. For this specific experiment, a simple memory test will be used in attempts ...
Hipervinculo Biología
It's widely known that colors can affect our moods and perceptions. This is why red signifies danger, and is also why the walls of hospitals and jails are usually painted a light, subdued green. It's ...
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