from Planet Earth

How many layers does Earth have?

• 5

• 3

• 4

• 8

What slides over or past each other to create an earthquake?

• shift in ocean

• continental crust

• tectonic plates

• the crust

How far has someone drilled down into land on Earth?

• 1.4 miles

• 14 miles

• 8 miles

• 1.8 miles

How many layers does Earth's core have?

• 1

• 2

• 3

• 4

What layer of Earth is 21 percent oxygen?

• troposphere

• stratosphere

What are falling stars?

• meteoroids burning up

• Earth's magnetic field

• Ozone burning

• Magnetic poles

How many time zones does China utilize?

• 6

• 4

• 2

• 1

What monitors deep inside the Earth?

• Probes

• Monitors

• GPS

• Technology

What percentage of the Ocean floor has been explored?

• 15

• 50

• 95

• 5

When was the drilling into the ocean crust supposed to take place?

• 2022

• 2020

• 2021

• 2024