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Geological Timescales MatchUp
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Click on a top box, then click on its match below. Or, drag a top box and drop it onto the correct match. Match all pairs before clicking ‘Check’.
Evolution
The Big Bang
Mass extinction
Universe
Volcanoes
Algae
The moon
Galaxies
The crust
Meteorites
Planets
Hydrogen
Atmosphere
A violent explosion of energy that is said to have occurred about 13.8 billion years ago
The collective word that is used to describe everything that exists
Believed to be the first element that existed as a glowing ball of hot gas
Stars are grouped into these
These were made from dust and gases that were spinning around the Sun
This was formed from rock that was blasted off into space when another planet collided with Earth
This formed as Earth's surface cooled
These covered the young Earth and spilled out boiling lava
This layer of gases surrounds Earth
These lumps of rock are believed to have brought chemicals from space that led to the formation of living cells
An event in the past when lots of living things died quite suddenly
The theory first proposed by Charles Darwin to explain how cells changed over time
The first life to move onto land had developed from these