The Structure and Age of the Earth

Based on current scientific evidence, what is the estimated age of the Earth?

• 4 500 years old

• 4 500 000 years old

• 4 500 000 000 years old

• 4 500 000 000 000 years old

Tags

NGSS.MS-ESS1-4

Which of the Earth's layers is made of very hot liquid metal?

• crust

• mantle

• outer core

• inner core

If you were to travel down the Earth at a steady speed, which layer would you likely spend time the most and why?

• crust because it is the thinnest layer

• crust because it is the thickest layer

• mantle because it is the thickest layer

• mantle because it is the thinnest layer

What are the element symbols of the two metals that makes the Earth's core?

• Ir, N

• Fe, N

• Fe, Ni

• Ir, Ni

Hey Sophia, Olivia, and Benjamin! Can you guess how old our amazing Earth is?

• 1 billion years old.

• 4.6 billion years old.

• 55 billion years old.

• 106 billion years old.

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

How old is the Earth?

• 4.5 million years old

• 5.5 million years old

• 6.7 billion years old

• 4.5 billion years old

Tags

NGSS.MS-ESS1-4

What is the approximate age of the Earth?

• 4.6 billion years old

• 4.6 million years old

• 46,000 years old

• 4,600 years old

Tags

NGSS.MS-ESS1-4

Approximately how old is the Earth?

• 1.8 billion years old

• 4.6 billion years old

• 6.8 billion years old

• 10 billion years old

Tags

NGSS.MS-ESS1-4

The Earth is how old?

• 2 billion years old

• 4.56 billion years old

• 13.4 billion years old

• 4.56 million years old

Tags

NGSS.MS-ESS1-4

What is the approximate age of the Earth?

• 4.6 Billion Years

• 100 years

• 500 Million years

• 2.5 Trillion Years

Tags

NGSS.MS-ESS1-3

NGSS.MS-ESS1-4