Pbs Eons

When was the Earth Formed?

• 100 Years Ago

• 4.6 Billion Years Ago

• 2019 Years Ago

• 16.7 Million Years Ago

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

What are the 4 Eons in order?

• Hadean, Proterozoic, Archean, Phanerozoic

• Hadean, Archean, Proterozoic, Phanerozoic

• Archean, Hadean, Proterozoic, Present

• Hadean, Archean, Proterozoic, Mealrozoic

Tags

NGSS.MS-ESS1-4

When did the first organisms appear?

• 20-19 Million Years Ago

• 2016 Presidential Election

• 3-2 Years Ago

• 4-3.5 Billion Years Ago

Tags

NGSS.MS-LS4-1

During which Eon was Earth called "Snowball Earth"?

• Hadean

• Phanerozoic

• Proterozoic

• Archean

The Earth always had some oxygen.

• True

• False

Tags

NGSS.MS-LS1-6

How many years ago did the moon first form?

• 4.5 Billion Years Ago

• 3.2 Million Years Ago

• 10 Billion Years Ago

• 4.9 Billion Years Ago

Tags

NGSS.HS-ESS1-6

The most present eon continues to this day starting back about 540 million years ago. During this eon, organisms evolved and died in mass numbers, but also includes the start of human life. What is the name of this eon?

• Hadean

• Archean

• Phanerozoic

• Proterozoic

Tags

NGSS.MS-ESS1-4

In this eon multicellular life was created. During this eon the Earth was considered the Snowball Earth and the Oxygen Catastrophe occurred causing loss of oxygen on our Earth. This eon is also the 3rd eon in Earth’s history. Which eon is this?

• Archean

• Hadean

• Proterozoic

• Phanerozoic

Tags

NGSS.MS-ESS1-4

The moon formed during this eon, this eon occured before life and before the crust had solidified. Lava and magma was everywhere, and lots of comets bombarded the earth, giving the earth the large amounts of water you see today. Which eon is this?

• Hadean

• Archean

• Proterozoic

• Phanerozoic

Tags

NGSS.MS-ESS1-4

In what eon did Earth’s crust form?

• Proterozoic

• Phanerozoic

• Archean

• Hadean