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Rock and minerals
Earth's layers and weathering and erosion
Plate tectonics and volcanoes
Glaciers
Astronomy
100
Has the characterists of felsic, intermediate,mafic,ultramafic in nature
What is igneous rocks
100
mid ocean ridges seperate north aamerican plate from eurasian plate and the south american plate from the afriacan plate
What is mid atlantic ridge
100
has an explosive eruption with slow extrusion of viscous lava from the volcano
What is plug dome
100
long smooth canoe shaped hills made of till
What is drumlin
100
brighter stars are first magnitude fainter stars are sixth magnitude
What does a bright star appear to an observer on earth
200
metamorphic rock
What type of rock rarely has fossils
200
lithosdperic plates sliding past each other
What is sliding boundaries
200
bulge on side of mountain small earthquakes around the volcano crack in volcano smoke and gases escape from top cracks everything is covered in lava
What are the hints of the eruption
200
eskers
What is it when a glacier melts the deposits slump down at the sides and form long winding ridges
200
150 million km
how much is done astronomical unit
300
occures naturally is a solid has definite chemical composition atoms are arranged in orderly pattern is inorganic
What are the characteristics of minerals
300
diverging boundaries, sliding boundaries, converging, boundaries
What are the types of plate boundaries
300
silica magma
What is silica
300
valley glaciers
What ar valley glaciers
300
formed when a star can no longer support itself by fusion retain in its centre
What is planetary nebula
400
clastic, chemical, organic
What are the 3 types of sedimentary rocks
400
the formation and movement of tectonic plates
What is theory of plate tectonics
400
strata clinder cone sheild plug dome
What are types of volcanos
400
cirque arete horns
What are erosional features
400
spiral elliptical irregular
What are 3 types of galaxies
500
.....
What is the rock cycle
500
a narrow ring shaped island chain of volcanoes
What is atolls
500
large mass of snow and ice detaching from a mountain
What is an avalanche