Earth's Structure and Continental Drift

Which of Earth's layers is composed mostly of liquid metal?

• crust
• inner core
• outer core
• mantle

Which layer of earth is composed primarily of iron and nickel?

• the crust 
• the cores
• the mantle

What is the name of layer 3?

• crust
• outer core
• mantle
• inner core

What is the name of layer 4?

• crust
• outer core
• mantle
• inner core

The layer we live on:

• Oceanic Crust
• Continental Crust
• Lithosphere
• Asthenosphere

Tags

NGSS.MS-ESS2-3

What is formed where these plates are spreading apart?

• new ocean floor

• earthquakes

• volcanoes

• mountains

Tags

NGSS.MS-ESS2-2

Giant pieces of lithosphere that move around the Earth

• Oceanic plates

• plate boundary

• tectonic plates

• continental plates

Tags

NGSS.MS-ESS2-3

Plate movement is caused by _____

• The rotation of the Earth
• Ocean tides
• Convection current in the mantle
• The moon's gravity

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

The German scientist who first proposed the Theory of Continental Drift 100 years ago?

• Harry Hess
• Penny Pangea
• Alfred Wegener
• Gary Gondwana

Tags

NGSS.HS-ESS1-5

All of the continents were once part of one large continent called...

• Panacea
• Pangea
• North America
• Gondwana

Tags

NGSS.HS-ESS1-5