Lithoshpere Year 11

What is erosion?

• The wearing away of land by water, wind, rain or ice.
• vibrations in the earth
• the spread of desert-like conditions
• a decline in the quality of natural resources

What causes earthquakes?

• Movements on the earth's crust by humans and their developments
• the sudden movement of tectonic plates
• a decline in the quality of fossil fuels
• water seeping into lower layers of the earth's lithosphere

How thick is the outer layer of the earth called THE CRUST?

• 2-10 km thick
• 5-50 km thick
• 120-150 km thick
• 300 km thick

How thick is the inner most layer of the earth called THE INNER CORE?

• 2740 km in diameter
• 74 km in diameter
• 27,000 km in diameter
• 770 km in diameter

What causes gradation?

• gravity and the sun wearing down the earth
• the gravitational pull of the moon and earthquakes
• the gravitational pull of the moon and the sun
• earthquakes and gravity

What is the name of the supercontinent that existed 225 million years ago?

• Panacea
• Patagonia
• Panagopolous
• Pangaea

What is the name of the theory that proposes that all of the earth's continents were once joined together as a huge singular landmass?

• Conjoined continent theory
• Super Duper Continent Theory
• Combined landmass theory
• Continental drift theory

Which of these is NOT one of the earth's continental plates?

• Eurasian Plate
• North American Plate
• Arctic Plate
• Pacific Plate

The world's mountain ranges are the result of:

• continental plates diverging
• continental plates colliding
• erosion and gradation
• continental plates sliding past one another

When was the Asian Boxing Day tsunami?

• 2001
• 2004
• 2007
• 2010