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100

____________ is the movement of weathered material from one place to another.

erosion 

100

____________ is the breaking down of rock on Earth’s surface.

weathering

100

____________ can break down the rock and then the glaciers carry away the sediment rock pieces.

water

100

____________ causes erosion when they hit the rock along the shoreline.

waves
100

____________ causes erosion when it blows hard against the rock and sand.

wind

200

____________ is a broad area of relatively flat land.

plain

200

____________ are important for farming and livestock.

plains

200

____________ is a long depression or ditch in Earth’s surface.

valley
200

____________ erode the soil and rock to cause valleys.

rivers

200

____________ rises high above with steep slopes.

mountains

300

____________ are natural barriers to travel and often form borders between countries.

mountains

300

____________ help to create different landforms by explosions or eruptions.

volcanoes

300

Different landforms are also found in the ____________, and can be bigger than on land.

oceans

300

____________ is a body of water that is smaller than a gulf and partially surrounded by land.

bay

300

Bays help with ____________ access to marine resources and major port cities.

easy

400

____________ is a piece of land that sticks out in water but is also connected to the land.

peninsula 

400

____________ are on every continent but not always skinny islands.

peninsulas 

400

____________ is a tall flat-topped, steep-sided tower of rock.

buttes

400

Monument valley has the most famous collection of ____________.

buttes

400

____________ is one continuous body of water covering about 71% of Earth.

oceans

500

____________ is an opening in Earth’s crust where gasses and rock erupt.

volcano

500

____________ is a large body of water surrounded by land

lake

500

Lakes are used for irrigation and to create __________ in plants.

power

500

____________ is a narrow deep valley cut by a river through rock.

canyon

500

Canyon’s reveal Earth’s history through ____________.

fossils