Show:
COMPONENTS OF THE EARTH
LAYERS OF EARTH
MAGNETIC FIELD
EARTHS FORMATION
THE MANTEL
100
The arrangement of natural physical features such as shape, height, and the depth of a land surface in a place or region
What is topography?
100
The outermost layer of the earth.
What is the crust?
100
__________in the outer core create earth's magnetic field.
What is the convection currents?
100
The age of earth.
What is 4.6 billion years?
100
The two parts of the mantel.
What is the lower and the upper mantel?
200
Physical features that make up the topography of an area including mountains, valleys, plains, and bodies of water.
What is landforms?
200
The layer bellow the crust.
What is the mantel?
200
The cause for earth to behave like large magnet with north and south pole.
What is convection currents in the outer core?
200
the temperature increases steadily from the_______ to the __________.
What is core and the crust?
200
Earth's crust and the uppermost part of the earth's mantel form the __________.
What is lithosphere?
300
A landform that is higher than its surrounding land
What is a mountain?
300
Two different kind of crusts.
What is continental crust and oceanic crust?
300
An object that detects earth's magnetic field.
What is a compass?
300
The density of earth's layers _________ as you move inwards from the surface.
What is increases?
300
The hot layer of rack under the lithosphere.
What is asthenosphere?
400
a long narrow or broad strip of low land usually between mountains or hill ranges.
What is a valley?
400
A dark and dense rock present in the oceanic crust.
What is basalt?
400
The compass needle responds to the force exerted by_________.
What is Earth's magnetic field?
400
Earth formed when small bits of material ____________ and joined together.
What is collided?
400
______________ occurs in the mantel because earth's hot core heats nearby rocks.
What is convection?
500
the kind of valleys carved by glaciers.
What is U-shaped valleys?
500
The extreme pressure within the earth squeezes the hot metal of the___________ causing it to remain solid despite its high temperature.
What is the inner core?
500
The compass needle always responds to the earth geographic____________.
What is north pole?
500
Earth's layers formed as denser material such as ________ and _________sank to the center of the earth.
What is nickel and iron?
500
The distance between the core and the upper mantel.
What is 3000 km?