Water Water is found all over the earth. In fact, about seven-tenths of the earth's surface is water! All living things need water. Your body is about two-thirds water. Ancient peoples thought water was an element, but it is not. Water is a compound of the elements hydrogen and oxygen. Both of t...

Everybody knows humans need pure drinking water to sustain life. But are Brisbane residents drinking clean water? Michael Hodge Reports. The water pollution problem in Brisbane is beginning to get out of hand. If something is not done soon, it will be too late to do anything. When people picture ...

Feng Shui (pronounced "phung schway") means wind water. It is the Chinese Art of Placement, which brings balance to the energy in an environment (also known as chi). Fung Shui is an ancient science which goes back at least 3500 years. Feng Shui is based on the Taoist viewpoint of nature: including...

Ancient and Medieval Review 1. arche-why things are the way they are, the beginnings a. anaximander- arche is the indefinite, it has no definite nature, The "opposites" are, we have seen, at war with one another, and their strife is marked by "unjust" encroachments on either side. The warm commits...

Living things make up the world as we know it. Living things are involved in our life constantly, seeing that we are alive. There are five characteristics that are common to all living things. Living things are made up of one or more cells. Each cell is made up of living matter and is separate...

HOW PLANTS GROW Photosynthesis is the process plants use to make their own food. In order for a plant to grow, it needs several things. It required Water, sunlight and nutrients. The nutrients plants need for a good Health are typically divided into three groups; macronutrients...

Hydrogen and its Uses Hydrogen, the simplest element, it composed of one proton and one electron. It makes up more than 90% of the composition of the universe. More than 30% of the mass of the sun is atomic hydrogen. It is the third most abundant element in the earth's surface, and is ...

History of Chemistry Introduction: Humans have always been very curios creatures. The have always wondered about what they are and why they are here. Our limited knowledge of the environment has always urged for new things to be discovered. The desire to understand the world better has made ...

A physical change occurs when an object goes through a change that doesn't alter its chemical nature. A physical change involves a change in physical properties. Physical properties can be observed or measured with out changing the type of matter. A physical property doesn't describe ...

Aim: In this coursework I aim to investigate whether changing the concentration of Hydrochloric acid and Distilled water will affect the reaction time in which it takes to dissolve an amount of magnesium strips. Introduction: The experiment we have conducted as part of our GCSE Coursework is ...

Nitrogen Nitrogen is nonmetallic, odorless, colorless, and tasteless gas. Nitrogen makes up about 78% of the earth's atmosphere. Rutherford discover nitrogen in 1772. On the periodic table of elements Nitrogen is diatomic and has the chemical symbol of "N". The atomic number ...

The element Bromine, is a red liquid which is explosive at room temperature and has a red brown vapour. It has an atomic number of 35 and an atomic mass of 79.909. The melting point of Bromine is -7 deg.C and the boiling point is 58 degC with a relative density of 3.1. Bromine is a volati...

Oxygen is the most important element in the periodic table, it's symbol is O . Oxygen is colorless and odorless, it was found in 1774 by a man named Joseph Priestly, the origin of the name oxygen comes from the Greek words oxus (acid) and gennan (Generate). Oxygen has a very important role in t...

I am writing about an element known as lanthanum. The name comes from the greek word lanthano, meaning to be hidden or concealed. It was discovered by the Swedish chemist Carl Mosander in 1839. It has the atomic weight of 138.91 and the atomic number of 57. It is found with other rare earth&apo...

Uranium was first discovered by Martin Klaproth in 1789. Although he discovered it in a compound, he named it Uranium after the planet Uranus. It was later found in its pure form by Eugene Peligot in 1841. It can be found in ores of pitchblende, carnote, and torbernite. With an atomic nu...

My name is Bon, and I am a carbon atom. I am a non-metal element, living in the north eastern region of the periodic table, in Period 2, Group IV, which means I have two occupied shells and contain 4 electrons in my valance shell. I am universally renowned from my chemical symbol of C, and distingui...

There are many ways to examine the subject of alchemy, including alchemy as a source of symbolism, psychology, and mysticism. It has also been an influence on the world view of various writers, artist, and musicians. The focus of this report is alchemy as a pre-chemistry, which gave a new impulse t...

Alchemy There are many ways to examine the subject of alchemy, including alchemy as a source of symbolism, psychology, and mysticism. It has also been an influence on the world view of various writers, artist, and musicians. The focus of this report is alchemy as a pre-chemistry, which gave a ...

Atomic # 18 Argon (Ar) Atomic Mass: 39.948 amu Isotopes: Isotope Protons Neutrons Electrons Ar-36 36 4 36 Ar-37 37 3 37 Ar-38 38 2 38 Ar-39 39 1 ...

The chemical compound ethanal more commonly known as acetaldehyde is an organic compound, which is created by the oxidation of ethanol, the loss of two hydrogen atoms to give a product containing a double bond to the oxygen and a single hydrogen bond. Acetaldehyde has many uses in the industrial wor...

Thorium, symbol Th, is a radioactive metal like element with a atomic number of 90. It is part of the actnide series of the periodic table. Thorium was discovered in 1828 by Baron Jons Jakob Berzelius, a Swedish chemist.Its is ranked 39 in quantites of elements in the earths crust....

CARBON Hi I am the element Carbon who has an atomic structure. I have 6 protons, 6 neutrons, and 6 electrons. My atomic number is number 6 and my atomic mass is 12. I am in period two group three. My physical properties are I am a non-metal, the state of matter I am at room temperature i...

Fertilizer is a substance added to soil to help plants grow. Fertilizer is divided into two groups: natural and synthetic. Fertilizer provides one or more of the chemical elements essential for plant nutrition. Natural fertilizers are items like animal excrement, straw, other plant material...

Alchemy Alchemy is an ancient art, practiced in the Middle ages,used to discover a substance that would transmute common or base metals into gold or silver ,and to find a way of prolonging human life.The main objective of alchemy was to discover a substance called the philosopher's stone.This ston...

John Dalton once made this famous quote on his work concerning the atom, " We might as well attempt to introduce a new planet into the solar system, or to annihilate one already in existence, as to create or destroy a particle of hydrogen." John Dalton was a British chemist and physicist,...