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1.�� Idenfify the landscapes below. Then DECIDE if
they�were created by nature or�humans.
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1. �����2. �
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3. ���4. �
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5. ��6.��
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2. Choose the correct words to complete the sentences.
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1. The airport was destroyed �the hurricane.
2. His old house�has been turned �an office.
3. Huge rocks are picked up � glaciers and�
��� carried �kilometers.
4. This canyon is still being worn away stream.
5. Landscapes change �rocks and lands are��
��� worn�away �water, wind, and ice.�
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LANGUAGE FOCUS
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3. UNSCRAMBLE�the�sentences below.
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1.�ago/caverns/million/formed/years/these/six/were.
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2. been/these/formed/by/hoodoos/weathering/and/erosion/have.
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3. this/is/being/and/away/by/wind/ocean/water/eaten/rock.
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4. lava/from/island/was/volcanoes/built/up/the/by.
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4. �Complete the text with the proper passive form.
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Rainbow Bridge looks like a man made bridge, but it �by nature. This bridge in Utah is the largest known natural bridge in the world. It �by a river that wore away the land.
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Yeliu, Taiwan, is famous for its Queen's Head Rock. The rock �by wind and ocean water. Experts believe that water will cut through the neck and break it off in the next five years.
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The Callinish Stones �on Lewis, an island in Scotland. This rock�formation��by humans between 2900 and 2600 B.C. Thirteen of the stones form a circle a circle around an ancient burial site.
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These rock towers �in Cappadocia, Turkey. They �10 million years ago by volcanoes. Ash turned into rock, and slowly, the rock �by wind and water.
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These mushroom-shaped rocks lie in Mushroom Valley. inside Mexico's Copper Canyon. They �when two different kinds of rock� �by wind and rain.
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Thse rock mounds �by humans on Jeju Island, Korea. People make them to ask for good luck.
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5.�Replace the verb forms in�yellow�to correct them.
