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Course: Science — Third Preparatory
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Science — Third Preparatory

Science — Third Preparatory

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Science — Third Preparatory 2026/2027

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Unit 1 - Force, Motion, Acceleration and Physical Quantities

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Quiz

Question bank: Unit 4 — Dating Planet Earth

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1.
The geologic time scale is:
a device for measuring time
a division of Earth's history into time units
a table of rock densities
a calendar of daily weather
2.
Arranged from the largest to the smallest, the units of geologic time are:
epoch, period, era, eon
eon, era, period, epoch
era, eon, epoch, period
period, eon, epoch, era
3.
The Phanerozoic Eon includes the eras:
Hadean, Archean and Proterozoic
Paleozoic, Mesozoic and Cenozoic
Jurassic, Triassic and Cretaceous
Cambrian and Silurian only
4.
Earth is approximately ... years old.
4.6 million
46 million
4.6 billion
460 billion
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