eQuizShow

Earth's Changing Surface

Rivers

Question: This steep sided landform is often carved by rivers

Answer: canyon

Question: Because of gravity, all rivers flow in this direction

Answer: downhill

Question: The Wabash River flows into the Ohio River and is therefore an example of this

Answer: tributary

Question: This is where a river begins and is often in the mountains

Answer: source

Question: Rivers usually create valleys shaped like this letter

Answer: v

Glaciers

Question: This special kind of weathering is what happens when a glacier scrapes rocks against other rocks as it moves

Answer: abrasion

Question: A large boulder left behind by a glacier

Answer: erratic

Question: This is a large pile of sediment left behind by a glacier

Answer: moraine

Question: This is when a large piece of a glacier breaks off

Answer: calving

Question: Glaciers usually create valleys shaped like this letter

Answer: u

Volcanoes

Question: Once the magma reaches the earth's surface, it is called this

Answer: lava

Question: This type of volcano happens at a divergent boundary or hot spot is is mostly lava

Answer: shield volcano


Question: This type of volcano is formed from repeated eruptions and is made of layers of ash and cooled lava

Answer: composite volcano


Question: This conical shaped volcano is made primarily of ash and can form very quickly

Answer: cinder cone


Question: Like the Mt. Saint Helens eruption of 1980, this type of eruption from a composite volcano is very explosive

Answer: pyroclastic


Plate Tectonics

Question: This layer of the earth is made up of tectonic plates

Answer: crust

Question: This is the middle layer of the earth

Answer: mantle

Question: This type of plate boundary is when plates are moving away from each other

Answer: Divergent boundary


Question: This type of boundary is when plates are moving toward each other

Answer: convergent boundary


Question: This is what we call the area around the edges of the Pacific Plate with lots of volcanic activity

Answer: Ring of Fire


Name that Landform

Question: This landform can be carved by a river or a glacier

Answer: valley

Question: This landform is a large area of raised rock with a flat top

Answer: mesa or plateau


Question: This landform is caused at a convergent boundary when plates push against each other

Answer: folder mountain or mountain chain


Question: This landform is caused by sediment building up at the mouth of a river

Answer: delta

Question: This is a narrow column of rock with a top that is wider than the base

Answer: hoodoo or mushroom rock