Chapter 8.1 Review (8th) Question Preview (ID: 35353)


Evidence Of The Past. TEACHERS: click here for quick copy question ID numbers.

What does the geologic time scale show about Earth?
a) its unit
b) its grade
c) its history
d) its formation

What are imprints of living things that are preserved in rock called?
a) sediment
b) fossils
c) dinosaurs
d) fungi

J. Tuzo Wilson’s theory of how huge pieces of Earth’s crust are pushed around by forces within the planet is called
a) continents
b) crust tectonics
c) plate tectonics
d) Pangaea

The continents may once have formed one landmass called Pangaea which means
a) all seas
b) puzzle
c) all Earth
d) landmass

What type of scientists use fossils to reconstruct the history of life before humans existed?
a) fossilologists
b) dinosaurologists
c) sedimentologists
d) paleontologists

10. To measure a fossil’s age exactly, scientists study particles of matter called
a) relative
b) atoms
c) absolute
d)

An example of a rapid change in conditions on Earth is
a) continents moving
b) tectonic plates shifting
c) organisms adapting
d) a meteor striking Earth

Fossils provide evidence that Antarctica was once located
a) at the north pole
b) near the equator
c) at the south pole
d) where it is now

The theory that explains how large pieces of Earth’s outermost layer (crust) move and change shape
a) Pangaea
b) plate tectonics
c) Alfred Wegener
d) tectonic

The divisions in the geologic time scale characterized by the type of organism that dominated the Earth at the time
a) absolute dating
b) period
c) eras
d) time

Any method of estimating the age of rocks and fossils
a) absolute dating
b) eras
c) time scale
d) relative dating

Any method that measures the age of fossils, rocks, objects or events in years
a) relative dating
b) geologic time scale
c) absolute dating
d) half-life

The traces of imprints of living things – such as animals, plants, bacteria, and fungi – that are preserved in rock through geological processes
a) skeletons
b) fossils
c) molds
d) half-life

How do scientists put fossils in order on the geologic time scale?
a) by date
b) at the bottom
c) at the top
d) by kind

What kind of event made some divisions in the geologic time scale?
a) A species died out.
b) A volcano erupted.
c) A species reappeared.
d) A species moved.

What is an example of a slow change of conditions on Earth?
a) mass extinction
b) continents moving
c) a meteorite hits the Earth
d) tropical forests growing

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