Earth Science 1.1 and 1.2

What is the inner most layer of Earth?

• core
• outer core
• inner core
• asthenosphere

Which layer of the earth is completely Liquid?

• Crust
• Mantle
• Outer Core
• Inner Core

Which layer is the thickest?

• Crust
• Mantle
• Core
• All of them are the same size

This layer of Earth is solid Iron and Nickel

• Outer Core
• Mantle
• Inner Core
• Crust

Where is heat and pressure the greatest in the Earth?

• crust

• mantle

• outer core

• inner core

This layer of the earth is the thinnest part

• crust

• outer core

• mantle

• inner core

All stars begin as a __________?

• giant
• black hole
• white dwarf
• nebula

Most stars are made of which elements?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium

What are the first four terrestrial planets made of?

• Gas
• Rock
• Metal
• Ice

The prefix "Bio" means ____

• Life

• Earth

• Water

• Air