Earth Science Test 2025 : Honors Science 8

The calendar of Earth's history is sometimes referred to as the

• Geologic Time Scale.
• Fossil Scale of Age.
• Aged Geology Scale.
• Periodic Calendar of Time.

Tags

NGSS.MS-ESS1-4

Which is the correct sequence of geologic eras from the oldest to the youngest?

• Cenozoic, Mesozoic, Paleozoic, Precambrian
• Mesozoic, Precambrian, Cenozoic, Paleozoic
• Precambrian, Paleozoic, Mesozoic, Cenozoic
• Paleozoic, Cenozoic, Precambrian, Mesozoic

Tags

NGSS.MS-ESS1-4

The Mesozoic Era was dominated by

• amphibians
• reptiles
• birds
• people

Based on the graph, what is the approximate number of radioactive atoms of Isotope X that are present when 8 hours of decay has occurred?

• 90
• 115
• 155
• 200

Tags

NGSS.HS-PS1-8

Cyanobacteria, which first appeared on Earth over 3 billion years ago, they are important because

• They are eukaryotes.
• They are thought to be one of the first photosynthetic organisms. This allowed oxygen to form on our planet
• They are descendants of primitive plants
• They are mammals

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In order to form a fossil, an organism should

• be buried in sediments.
• be covered by lava
• remain uncovered so decay will stop.

Earth's eras are all the same length.

• True
• False

Tags

NGSS.MS-ESS1-4

There has always been alot of oxygen on Earth

• true
• false

Cenozoic refers to

• ancient life.
• middle life.
• recent life.

Scientists have found large groups of fossils of marine organisms on mountaintops. What does this tell scientists about the past?

• That these rocks must have been moved there by some one else.
• That these rocks were always above the surface of an ocean
• That these organisms left the ocean and climbed to the top of an inland mountain to die
• That these rocks were once below the surface of an ocean

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2