
Astronomy and plate tectonics
Quiz by Tiffany
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52 questions
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- Q1older thanRock layers below are __________ rock layers above.30s
- Q2They are useful for relative dating of rock strata.Why are index fossils important?30s
- Q3index fossilsFossils of organisms that lived in a widespread area over a short period of geologic time are called ___________.30s
- Q4sedimentaryIf an igneous rock cuts a sedimentary rock in half vertically, which rock is older?30s
- Q5tectonic forcesWhat can cause rock layers to fold?30s
- Q6undisturbedFor the law of superposition to hold true, the layers of rock must be _____________.30s
- Q7a large crack in a rock formation where the rocks on either side move past each otherFault30s
- Q8a fossil of an organism that lived over a widespread area for a short period of geologic timeIndex Fossil30s
- Q9magma pushes into these cracks or areas of weakness, it causes them to widen, over time the magma cools and solidifies to form new igneous rockIntrusion30s
- Q10states that the rock feature that cuts across another rock feature is the younger of the two featuresLaw of Cross-Cutting Relationships30s
- Q11states that in undisturbed rock layers, the oldest rock is at the bottom and the youngest rock is at the topLaw of Superposition30s
- Q12the process of determining the order in which events in Earth's history occurredRelative Dating30s
- Q13States that if a rock layer contains pieces of another rock layer, that layer is newer than the rock it contains.Law of Inclusions30s
- Q14a scientist who studies the forces that make and shape planet earthgeologist30s
- Q15A solid mixture of crystals of one or more minerals or other materials.rock30s