Geological Timescale
Authored by Christina Crossan
Science
7th Grade
NGSS covered
Used 118+ times
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27 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How old is the Earth?
approximately 2.5 million years old
approximately 4.6 billion years old
156000 years old
4.8 million years ol
Tags
NGSS.MS-ESS1-4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The biggest time period into which scientists have divide the time between the formation of the Earth and now is called:
periods
epochs
eons
eras
Tags
NGSS.MS-ESS1-4
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Scientists were able to estimate the age of the Earth by studying:
trees
the stars
fossils
rocks
Tags
NGSS.MS-ESS1-4
NGSS.MS-ESS2-3
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Look at the diagram.
What are eons divided into?
eras
epochs
periods
Tags
NGSS.MS-ESS1-4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Look at the diagram.
Which era do we live in?
phanerozoic
neogene
cenozoic
Tags
NGSS.MS-ESS1-4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Look at the diagram.
How long ago did the Mesozoic era begin?
542 million years ago
250 million years ago
65 million years ago
Tags
NGSS.MS-ESS1-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The Cambrian explosion was:
an explosion of asteroids that destroyed all life on Earth, including dinosaurs
a huge volcanic eruption that destroyed all life on Earth
an explosion of multi-cellular life
Tags
NGSS.MS-LS4-1
NGSS.MS-LS4-2
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