GEOGRAPHY

VOLCANOES

VOLCANOES

A volcano is a natural vent in the earth through which molten material (magma) and gases within the earth are ejected. These vents occur where there are weaknesses in the earth’s crust. When a volcano erupts and the magma reaches the surface it is called lava. A volcano can erupt many times. Each time it… …
SOLAR SYSTEM

SOLAR SYSTEM

The solar system is made up of the sun and all the planets, their satellites, dwarf planets, and small bodies (asteroids and comets). These all orbit around the sun which is actually a star.  ​ Fact fileWhich planet in our solar system rotates on its side?Answer: Uranus What keeps the planets in orbit around the sun?Answer: the… …
ROCKS

ROCKS

Rocks are naturally occurring minerals. Minerals are solid elements that have a definite chemical make-up. The atoms of rocks are very close together and regularly arranged which gives rocks their rigidness. Much of the earth’s crust and mantle is made up of rocks. IGNEOUS ROCKSIgneous rocks are rocks that are formed from a molten or… …
PLATE TECTONICS

PLATE TECTONICS

The ground on which you stand is part of what is called the earth’s crust. The idea that pieces of the earth’s crust move is what is known as the theory of plate tectonics. The earth’s crust is not one solid surface but is made up of different slabs of earth and rock. Each of… …
PLANET EARTH

PLANET EARTH

The earth is the third planet from the sun. From space it looks like a giant blue marble. The earth spins on its axis. Earth’s axis is an imaginary line that runs from the North to the South pole. Earth’s axis is slightly tiled at 66½° to the plane of orbit. Earth moves in two… …
GEOGRAPHY (types of Geography)

GEOGRAPHY (types of Geography)

Geography is a branch of science that deals with the arrangement and characteristics of the elements on earth. These elements include water bodies such as rivers, lakes and oceans as well as land masses such as continents and islands. Geography studies the earth’s surface and the relationship humans share with the environment. Physical Geography looks at the land,… …
EARTHQUAKES

EARTHQUAKES

There are few things that are more unpredictable and scary as an earthquake. Earthquakes could be described as the earth shaking, causing great damage to buildings as well as loss of life. Earthquakes happen because of faults in the earth’s crust. A fault in geographic terms is a crack in the earth’s crust. The plates… …
CONTINENTAL DRIFT

CONTINENTAL DRIFT

Scientists believe there is evidence to suggest that millions of years ago earth had only one large continent. Geologist called this continent Pangaea. The theory is that the huge plate that Pangaea rested on broke apart and separated and drifted apart. Today earth has seven continents. The continents, North and South America, Asia, Europe, Australia,… …
THE EARTH

THE EARTH

The earth is the third planet from the sun. From space, it looks like a giant blue marble. The earth spins on its axis. Earth’s axis is an imaginary line that runs from the North to the South pole. Earth’s axis is slightly tiled at 66½° to the plane of orbit. Earth moves in two… …
WATER AS A RESOURCE

WATER AS A RESOURCE

​Water is a substance that sustains all life. Water covers approximately 75% of the earth’s surface. Living things cannot survive without water. The human body is about 70% water. Water as a solvent Water is an amazing solvent. It is able to dissolve things. Because of this ability it is used for many purposes in our homes… …