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WorksheetsGeologic Time and Sedimentary Rocks
Total questions: 12
Worksheet time: 6mins
Types of sedimentary rocks include all the following except for ___
Clastic rocks
Evaporates rocks
Petrified wood
Organic rocks
All are examples of sedimentary rocks, except for
Bituminous Coal
Marble
Limestone
Shale
A clastic rock is
An extrusive rock composed of pyroclasts
A rock formed through precipitation of minerals
A rock composed of organic material like shells
A rock composed of rock framents
Ripple marks preserved in a sandstone indicate
The rock was deposited by a river, lake or ocean
The rock was deposited in a low energy environment
The rock is a metamorphic rock
The rock should have fossils in it
The most common type of fossils are of ___
Dinasours
Early humans
Aquatic organism like microorganisms,shells and fish
Plants
Layering of rock is called ______
Bedding
Stratification
Clastics
Cementation
Which period of time is the longest?
Eon
Era
Period
Epoch
The Mesozoic Eon 245 million years ago is composed of all the following periods except for ____
Ordovician
Cretaceous
Jurassic
Triassic
We are currently living in ____
The Precambrian Eon
The Paleozoic Eon
The Cenozoic Era
The Mesozoic Eon
How many mass extinctions are thought to have occurred on Earth?
1
3
5
6
A sharp decrease in the number of species living on the planet is due to ____
Collapse of the food chain
Meteorite impact
Climate change
Hunting
The KT Boundary occurs between which time periods
Permian and Triassic
Proterozoic and Cambian
Cretaceous and Tertiary
Quaternary and the Pleistocene
