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Definition
Definition
Notes
Notes
Notes & NJ ASK Practice
100
Rock formed by the cooling of magma and lava
What is igneous rock
100
any of the three types of rocks
What is rock cycle
100
You find an igneous rock. It has large crystals and a very rough texture. Where was this rock most likely formed?
What is This rock was formed from magma because it has large crystals and a rough texture
100
In what era did the first flowering plants appear?
What is mezozoic
100
Dinosaurs lived during the Mesozoic era. Humans evolved during the Quaternary period. How much longer were dinosaurs around than humans have been?
What is 240 million years
200
Hot, molten (liquid) rock material beneath the surface of the earth
What is Magma
200
A table that divides the earths history into eras, periods, epochs, and so on.
What is geologic timescale
200
Sedimentary rock almost always forms in horizontal layers. Explain why.
What is Sedimentary rocks form in horizontal layers because it is formed in layers
200
How many millions of years ago did the Eocene epoch start?
What is 45.8 million years ago
200
In the Appalachian Ridge and Valley Region, sandstone lies beneath the ridges, and shale and limestone lie beneath the valleys. The sandstone, shale, and limestone are about the same age and have been exposed to the same environmental forces. What can you infer about the hardness of sandstone as compared to that of shale and limestone?
What is They are the same rock
300
rock formed from the weathered products of preexisting rocks
What is sedimentary rocks
300
the complete body of fossils that shows how species and ecosystems change over time
What is fossil record
300
In what type of rock are you most likely to find a fossil? Explain.
What is Sedimentary rock because it is formed bits and parts of animals
300
What type of animal became extinct at the end of the Permian period?
What is Tryolpites and other marine animals
300
Geologists consider metals to be nonrenewable resources. Explain why.
What is Metals cant be reused
400
when magma reaches the surface
What is lava
400
The rock layer that lies below the soil
What is bedrock
400
Which is the greater unit of time: era or epoch?
What is era
400
How many millions of years did the Cambrian period last?
What is 50 million years.
400
Which equipment would be most useful for a scientist studying crystals in a sample of granite?
What is microscope
500
existing rocks are exposed to intense heat,pressure, or both
What is metamorphic rock
500
Any substance extracted from the earth
What is mineral resource
500
Which is the lesser unit of time: period or eon?
What is period
500
Which periods make up the ''Age of Fishes''?
What is devonian and situran
500
Which type of rock do paleontologists use to study past climates?
What is sedimentary