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WorksheetsEarth History List A Vocab Quiz
Total questions: 15
Worksheet time: 45mins
Which layer of the Earth is described as the soft layer of the mantle on which the tectonic plates move?
Lithosphere
Asthenosphere
Mesosphere
Outer core
How is a cast fossil formed?
By the decay of organic material
When a mold is filled with sand or mud that hardens
Through volcanic activity
By the compression of plant material
Which era began about 66 million years ago and is known as the "Age of Mammals"?
Mesozoic Era
Paleozoic Era
Cenozoic Era
Precambrian Era
What is the central part of the Earth below the mantle called?
Crust
Core
Lithosphere
Asthenosphere
During which era did mammals become the dominant life form?
Paleozoic Era
Mesozoic Era
Cenozoic Era
Precambrian Era
What is the process called when a fossil is formed by a mold being filled with minerals?
Petrification
Cast formation
Carbonization
Fossilization
Which layer of the Earth is known for being the thinnest?
Core
Mantle
Crust
Asthenosphere
What is an index fossil?
A fossil used to determine the age of a rock layer
A fossil found only in volcanic rocks
A fossil that is always found in sedimentary rocks
A fossil that indicates the presence of water
What is a mold fossil?
A fossil that forms from volcanic ash
A space in a rock shaped like a living thing
A fossil that is always found in ice
A fossil that contains actual remains of organisms
What major event marks the end of the Mesozoic Era?
The rise of mammals
The extinction of dinosaurs
The formation of the first continents
The development of the first plants
Which of the following best describes the mantle?
The outermost layer of Earth
The layer between the crust and core
The innermost layer of Earth
The layer above the atmosphere
What was Pangea?
A type of dinosaur
A supercontinent containing all of Earth's land
A large ocean
A volcanic island
What is a petrified fossil?
A fossil that is still alive
A fossil in which minerals replace all or part of an organism
A fossil found only in ice
A fossil that is radioactive
What is a preserved fossil?
A fossil that is only found in water
A fossil that forms when organisms are prevented from decaying by being trapped in rock, ice, tar, or amber
A fossil that is made of gold
A fossil that is found in volcanic ash
What is a trilobite?
A type of plant fossil
A crablike invertebrate fossil from the Cambrian Period
A type of dinosaur fossil
A bird fossil from the Jurassic Period
