All rocks on Earth were initially igneous in nature. Igneous rocks form as liquid magma cools, forming crystal structured rocks. There are many different types of igneous rocks. Igneous rocks that form deep within the Earth’s crust were temperatures are very high, might take thousands of years to cool down. This causes the crystals […]
If you were planning to back a pie, what ingredients would you use for the crust? The ingredients used to make the Earth’s crust are complex. The basic ingredients are known as elements. There are 90 known elements that exist in the Earth’s crust. These elements combine with one another in a number of […]
Have you ever dug a hole in your backyard, or in the playground? How deep were you able to dig? 1 foot? 2 feet? Or perhaps you really worked hard, and were able to dig a hole that was 3 feet deep. What would you need, if you wanted to dig a really deep hole? […]
Because soils develop under a variety of conditions, the soil in one location can be very different from the soil in another location. In order to understand soil, and how one soil differs from another, geologists look at and measure the soils properties. Soil Color The most obvious property when looking at soil is […]
Soil is made up of an extensive variety of substances, minerals, and rocks. These substances can be categorized into four main groups. These groups are organic materials, inorganic materials, air, and water. Organic Materials In Soil Organic matter makes up only a small fraction of the total materials in soil, yet it is extremely important. […]
Geologists examine the characteristics of the lithosphere, or surface of the Earth, and try to understand the processes that formed it, and that continue to shape it today. Lets begin our study of the Earth’s lithosphere by examining the portion of it that we are most familiar with, the soil. Soil is found on […]
A World of Senses As you read about the human body on our website, hopefully you are learning. But how does the information get from our website into your brain? If you rest your head on the computer screen, will the information seep into you as you sleep? Or does it take a little more […]
As you read this article, hold your hand out in front of you. Now, wave hello at yourself. Okay, now tap yourself on the head. All right, now lets try this same experiment again, only this time we will do it a little differently. Put your arm down. Now look at your other arm. Say […]
The endocrine system is used for communication, throughout your body. The main communication system within your body is the nervous system. The nervous system works in a similar manner as a telephone. Messages are sent from one place to another place, much in the same way that a telephone carries a message from you to […]
Our cells create waste As your body performs the many functions that it needs in order to keep itself alive, it sometimes produces wastes. These wastes are chemicals that are toxic, and that if left alone would seriously hurt or even kill you. For example, as your cells break down amino acids, they produce a […]
