6th Grade Science Final Exam Review

Which layer of the earth is the hottest?

• mantle
• outer core
• crust
• inner core

Which layer of the earth is the thickest?

• mantle
• outer core
• crust
• inner core

Why do scientists think that the inner core is solid metal?

• Because it is really hot.
• Because of extreme pressure.
• Because it's in the middle.
• They don't think it is solid metal. They think it is made of liquid rock.

Tags

NGSS.HS-ESS2-3

What do you call the process through which one type of rock is formed into another type of rock?

• weathering
• erosion
• the rock cycle
• the earth cycle

Which type of rock is formed when molten rock cools and solidifies?

• Sedimentary
• Metamorphic
• Igneous

Which type of rock is formed when eroded material goes through compaction and cementation?

• Sedimentary
• Metamorphic
• Igneous

Which type of rock is formed from pre-existing rocks that have changed due to extreme heat and pressure?

• Sedimentary
• Metamorphic
• Igneous

Which type of rock may contain fossils?

• Sedimentary
• Metamorphic
• Igneous
• Extrusive

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Tiny pieces of broken down rock are called

• Sediment
• Erosion
• Weathering
• Deposition

This is the process of wind, water, or other elements breaking down rocks into tiny pieces.

• Sediment
• Erosion
• Weathering
• Deposition