Rock types
Fossils
Earth history
Constructive and destructive forces
FUN SCIENCE!
100
Metamorphic, igneous, and sedimentary
What are the 3 rock types
100
Organisms lived a short life.
How long did organisms in index fossils live for?
100
4.5 billion years old
How old is earth?
100
Weathering
What is A destructive force?
100
550 mya
When did trilobites appear?
200
This rock forms due to sand being compacted and cemented together
How do sedimentary rocks form?
200
These organisms lived all around the world
Where were index fossils found
200
10 million years old
How old is the grand canyon
200
Deposition
What is A constructive force
200
Limestone will fizz if it contains calcium carbonate
How will limestone fizz?
300
They provide clues about past enviorments
What do index fossils do for geologist ?
300
65million years ago, dinosaurs beam extinct
When and what was the ice age
300
Mountain making
What is A constructive force
300
Blowing of air, carbon dioxide and shells of marine organisms
Where does calcium carbonate come from?
400
This rock forms when molten rock cools and hardens
How do igneous rocks form?
400
The remains or traces that have been preserved or embedded in a rock
What is A fossil
400
We have been here for 200000 years
How long have humans been on earth
400
Ice wedging
What is A destructive force
400
Landforms shaped like steps or cliffs
What is Differential erosion
500
Because of the intence heat and pressure, it wouldn't be considered a fossil
Why can't fossils be in igneous rocks or metamorphic rocks?
500
Whipped out 90% of animals
What is the ice age?
500
Physical and chemical weathering
What is A destructive force
500
The removal and transport of loose earth material
What is Erosion
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