WorksheetsEarth History Unit Test Review
Total questions: 35
Worksheet time: 29mins
How old do Paleontologists believe the Earth is?
2019 years old
3.6 billion years old
4.6 billion years old
4.6 million years old
What type of event usually marks the end of an Era
A Mass Extinction
A Quinceanera
An earthquake
A Volcanic Eruption
What are the names of ALL parts of the geologic time scale in correct order from broadest to narrowest?
era, period, eon
eon, era, period, epoch
era, eon, epoch, period
eon, era, epoch, period
What does absolute age tell us about a rock layer or fossil?
The 'exact' age of a fossil determined by radiometric dating
The relative age of a fossil determined by radiometric dating
Younger rock layers sit on top of older rock layers
Older rock layers sit on top of younger rock layers
Jellyfish are one of the oldest species on Earth. In what time period does science say they first appear?
Precambrian Era
Paleozoic Era
Mesozoic Era
Cenozoic Era
According to the text, which time period is the longest?
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Dinosaurs, small mammals, and birds are found in this time period.
Precambrian Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
The Law of (a) is the law that states older rock is on the bottom and younger rock is on the top.
The Law of (a) states that any feature that cuts across a sequence of rocks, is younger than everything it cuts.
The Law of (a) states that any rock or fragment that is included inside of another rock is older than the rock in which it is included.
Which layer is OLDER? Layer E or Intrusion A?
Layer E
Intrusion A
Which type of rock are most fossils found?
sedimentary rock
metamorphic rock
igneous rock
fossils
If a scientist found a fish fossil in the desert, what can they infer?
An animal ate the fish.
The water covered the area long ago.
Today's fish looks the same
The fish is endangered.
What type of fossil is pictured here?
Mold fossil
Trace fossil
Cast fossil
Body fossil
Examine the image here. Hint: Use the slides to get a better view. Ferns appeared on Earth ____________ coral.
before
after
Examine the image here. Hint: Use the slides to get a better view. Gastropods appeared on Earth ____________ ammonites.
before
after
Which Era was mainly dominated by dinosaurs?
Cenozoic
Jurassic
Mesozoic
Paleozoic
Which Era has the most complex organisms?
Cenozoic
Mesozoic
Paleozoic
Quaternary
How can a Metamorphic rock become an Igneous rock?
Weathering and Erosion
Compaction and Cementation
Heat and Pressurew
Melting and cooling
Erosion and weathering can both cause changes to the surface of Earth. Which of the following happens only because of erosion and NOT because of weathering?
Rocks form deep underground.
Rocks become smooth and round.
Rocks are broken apart into small pieces.
Rocks are moved from one place to another.
Which of these BEST describes how an igneous rock forms?
cooling of magma
weathering of other rocks
colliding of tectonic plates
pressing together of smaller rocks
What type of rock is created from heat and pressure?
Igneous
Sedimentary
Metamorphic
In which type of rock would you find fossils like you see in the picture?
Igneous
Sedimentary
Metamorphic
