Explain the use of fossils, ice cores, composition of sedimentary rocks, faults, and igneous rock formations found in rock layers as evidence of the history of the Earth and its changing life forms.
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Q 1/6
Score 0
A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones?
60
the index fossils in the area of the bones
the weather conditions in the area of the bones
the birds living in the area of the bones
the kinds of trees living in the area of the bones
Q 2/6
Score 0
Which BEST describes how ice cores are important to the study of geologic history?
60
They hold index fossils, which are used to date the different ice cores.
They follow the Law of Superposition, which gives reasons for extinctions of species
They show unconformities, which signal changes in deposition.
They contain evidence showing changes in the atmospheric composition over time.
6 questions
Q.
A scientist finds the bones of a dinosaur. What could help the scientist determine the approximate age of the dinosaur bones?
1
60 sec
8.E.2.1
Q.
Which BEST describes how ice cores are important to the study of geologic history?
2
60 sec
8.E.2.2
Q.
Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could BEST be concluded from this evidence?
3
60 sec
8.E.2.1
Q.
Which statement BEST describes the Law of Superposition?
4
60 sec
8.E.2.1
Q.
What do earthquakes tell scientists about the history of the planet?
5
60 sec
8.E.2.2
Q.
How do scientists know that some mountains were once at the bottom of an ocean?
