How many layers does the earth have; according to the video?

• Three
• Four
• Five
• Six

Which layer of the Earth is THE HOTTEST?

• Crust
• Mantle
• Outer Core
• Inner Core

How hot is the inner core?

• 5000 degrees Celsius
• 9,000 to 13,000 degrees Fahrenheit

• 7000 degrees Celsius
• 8000 degrees Celsius

True of False: The layers of earth have sub-layers.

• True
• False
• Not Sure
• No Idea

What is the first layer of the earth called?

• Crust
• Mantle
• Outer Core
• Inner Core

The mantle makes up what percent of the earth's weight?

• 85%

• 67%
• 50%
• 30%

The crust is how many miles thick?

• 25 miles

• 50 to 60 miles
• 80 to 90 miles
• 100 to 110 miles

Tectonic plates are located where?

• In the earth's crust
• In the earth's core
• In the earth's atmosphere
• In the earth's mantle and crust

Tags

NGSS.MS-ESS2-3

The outer core/layer creates the earth's atmosphere and __________?

• magnetic field
• ocean currents
• mountain ranges
• tectonic plates

In the mantle, the rock is_____________?

• Solid
• Liquid
• Gaseous
• Plasma