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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
Despite what early explorers thought, the world is definitely not flat!This includes land masses and the ocean floor.Just as there are mountains, valleys, and plains on dry land, the ocean floor is co ...
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
In this project, you are to take on the role of a movie producer who has been asked by the local television company to create a script for a short movie on Alzheimer`s Disease. The purpose is to educa ...
Hipervinculo Biología
Humans use two types of energy systems, the aerobic and the anaerobic. Most of us are familiar with aerobic power and aerobic exercise. In this system, the heartbeat and respiration increase and oxyge ...
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 ...
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