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5059519
P1 - Earth in the Universe
Description
GCSE Science Mind Map on P1 - Earth in the Universe, created by Hannah Jones on 04/07/2016.
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Mind Map by
Hannah Jones
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Created by
Hannah Jones
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Resource summary
P1 - Earth in the Universe
Stars
Formation
Nebula
Prostar
Star
1,000,000,000 Stars in the Milky Way
1000 million galaxies in the universe
Low Mass Stars
Nebula
Yellow Midget
Red Giant
White Star
Black Dwarf
High Mass Stars
Nebula
Blue Star
Red Giant
Supernova
Pulsar
Black Hole
Nebula
How to tell the distance of a star
The brighter the star is the closer it is
Parallax
At different positions, far away objects can seem to be in different places
Our Solar System
The Sun
Low Mass
Yellow Midget
Meteors
Rocky
Icey
Crashes into moons or planets
Comets
Orbits the sun in an oval shape
Rocky
Icey
Asteriods
Rocky
Circular
Planets
Spherical
Orbit a Star
Our Future
Eventually the Sun will become a Black Dwarf
The Earth will become unhabitable
The Big Bang
The Universe was created by a Supernova 14000 million years ago
Plate Tectonics
Earth's crust is made up of plates that move due to convection currents
Evidence
Fault Lines
Earthquakes
Seismic Waves
Primary
Faster
Less Damage
Longitudenial
Secondary
Slower
More Damage
Transverse
Earth shakes from the epicentre
James Hutton 1750's Educated land Owner Studied rocks and cliffs
Flaws
Couldn't explain how the land rises up
Anti-Biblical
Evidence
Weathering
Erosion
The Rock Cycle
New rock is made of sediment and a long cycle of land loss and renewal takes place
Alfred Wegner 1920's German Meteorologist
Continental Drift
Evidence
Land fits together like a puzzle
Rocks from South America and Africa are the same
All continents were once all one land mass, but have drifted apart over millions of years
Flaws
German (after WW1)
Meteorologist (weather)
Didn't have the technology to prove it
Structure of the Earth
Crust
Solid
40 - 80km thick
Mantle
Liquid
Very Hot
Rock
Outer Core
Iron
Solid and Liquid
Inner Core
Iron
Solid
Very Hot
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