Geology - The Birth of Earth

How old is the Earth?

• 46 billion years
• 4 billion years
• .46 billion years
• 4.6 billion years

Tags

NGSS.MS-ESS1-4

About how much of Earth's history is made up of the Precambrian time?

•  88% 
• 12%
• 2%
• 50%

Tags

NGSS.MS-ESS1-4

Cyanobacteria created this gas during the Precambrian Era.

• Carbon Dioxide
• Hydrogen
• Nitrogen
• Oxygen

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

During the precambrian age: 

• prokaryotes dominated
• dinosaurs dominated
• eukaryotes dominated
• archaea dominated

Where did life originally form?

• land
• oceans
• atmosphere
• center of Earth

What elements make up the Earth's core?

• nickel and iron
• granite and basalt
• gold and titanium
• fluffy bunnies and unicorns

How old are the oldest known fossils? In other words, when did life first appear on Earth?

• 4.6 billion years old
• 4 billion years old
• 3.5 billion years old
• 65 million years old

Tags

NGSS.MS-LS4-1

What event formed the original ancient atmosphere?

• photosynthesis
• outgassing by volcanoes 
• cellular respiration 
• meteorite collisions

Which of the following gases are given off by volcanoes? 

• oxygen
• carbon dioxide
• ozone
• ethanol 

Where did the water on Earth come from?

• volcanoes and comets
• cellular respiration
• photosynthesis

Tags

NGSS.MS-ESS2-4