Rock cycle and Layers of the Earth

Where in the Earth's layers are convection currents found?

• Outer Core
• Inner Core
• Mantle 
• Crust

Which type of rock results from melting and cooling of magma?

• Igneous
• Metamorphic
• Sedimentary
• Extrusive

Which type of rock forms from extreme heat and pressure?

• Igneous
• Sedimentary
• Organic
• Metamorphic

Wind, water, and ice breaking down rock is called

• Erosion
• Deposition
• Compaction
• Weathering

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

After lots of time, pressure, and heat, you get this kind of rock. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic

Which layer of Earth is made up of tectonic plates?

• outer core
• inner core
• asthenosphere
• lithosphere

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

What is the thickest layer of the Earth?

• the crust
• the mantle
• the outer core
• the inner core