Local Galactic Group
The Local galactic group is the term we use for a group of over thirty galaxies in our local vicinity. What is our Local Galactic Group? Which Galaxies makeup our Local Galactic Group? Milky Way Group Andromeda The Triangulum spiral Galaxy (M33) Galaxies...
Liquid Nitrogen
Liquid Nitrogen is nitrogen gas (its normal state on earth) that has been cooled sufficiently enough for it to change into its liquid state. What is liquid Nitrogen? Where Does Liquid Nitrogen Come From? Use of Liquid Nitrogen Use of Liquid Nitrogen in Science Medical...
Lithium – alkali metal
Lithium is a soft silver-white metal with a range of applications including medication,batteries and fireworks. Basic Information Discovery of Lithium Sources of Lithium Uses of Lithium Lithium Tablets Lithium Batteries Lithium In Fireworks Lithium’s Cell...
Hydrogen
Hydrogen is the lightest and most abundant element in the universe. Basic Information Discovery of Hydrogen Sources of Hydrogen Uses of Hydrogen The Hydrogen Bomb Airships Hydrogen Fuel Cells Hydrogen’s Cell Structure Absorption Lines of Hydrogen Emission Lines of...
The Lighter Side of Science: Exploring the Wonders of Helium (He)
The Lighter Side of Science: Exploring the Wonders of Helium (He) The Lighter Side of Science: Exploring the Wonders of Helium (He) Basic Information Discovery of Helium Sources of Helium Uses of Helium Liquid Helium in Superconductors Use of Helium by...
Fractions
Fractions another way of saying a part of something. What are fractions? Calculating Fractions Equivalent Fractions Simplifying or Reducing Fractions Improper Fractions Adding Fractions Adding Fractions with the Same Denominator Adding Fractions with Different...
Fractional Distillation
Fractional Distillation is the process used to separate a liquid mixture into its component parts or in some cases individual elements. What is Fractional Distillation The fractioning chamber or fractioning column Fractional Distillation of Air Fractional...
Structure of the Earth
Essentially the structure of the earth consists of a hard iron core which sits at the centre of a molten liquid sphere surrounded by a solid crust of rock. But there is much more to these layers each with very specific properties which are required for life on earth....
DNA
Deoxyribonucleic acid or DNA is found in every cell of every living organism on the planet. It is the code which contains the genetic makeup of the organism. The Structure of DNA Polynucleotides Dideoxynucleic acid molecule consisting of...
Diamond Formation
Diamond formation occurs naturally in the earth’s crust but it is now possible to produce diamonds artificially in labs from any carbon. What Are Diamonds Age and origin of Diamonds Diamond Formation in The Earth’s Crust Diamond Formation through Plate Tectonics...
Deuterium
Basic Information Discovery of Deuterium Sources of Deuterium Uses of Deuterium Deuterium in stars Energy Production through Nuclear Fusion Ultra Dense Deuterium Deuterium’s Cell Structure Electron Orbit of Deuterium Absorption Lines of Deuterium Emission Lines of...
Decay Chains
Decay Chains is the name given to the stages of radioactive decay of unstable isotopes or elements. Some radioactive isotopes decay into stable isotopes directly but some unstable or radioactive isotopes decay into other unstable isotopes many times before...