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Name _____________________________________________ Extra Support for Vocabulary and Concepts What Are Some Landforms? Science Words Landform [LAND•fawrm] part of Earth’s surface that has a certain shape and is formed naturally. Valley [VAL•ee] low land between mountains or hills Valley begins with v. A valley is shaped like a v. Canyon [KAN•yuhn] a valley with steep sides Mountain [MOWNT•uhn] landform that is much higher than the surrounding land. Hill is landform that like a mountain but smaller than it. plain [PLAYN] flat land that spreads out over a long distance plain is plain land. plateau [pla•TOH] flat land that spreads out over a long distance and is higher than the land around it Plateau and plain begin with the same sounds. A plateau is a high plain. 1 Name _____________________________________________ Extra Support for Vocabulary and Concepts Choose the best answer: 1-Many shapes on Earth’s surface formed naturally. What is the name for a part of Earth’s surface with a certain shape? Core mantle Landform zone 2-Which landform is a low area made by moving water or ice? a hill a mountain a plateau a valley 3-Which of these is a landform? a cloud a hill a house an ocean 4-What does this picture represent? a hill a mountain a plateau a valley 5-How are mountains, plains, and valleys alike? They are all flat. They are all covered with rocks. They are all landforms. They are eroded Write the name of each landform: (valley-mountain-canyon) . 2 . . Name _____________________________________________ Extra Support for Vocabulary and Concepts How Does Earth’s Surface Change Slowly? Science Words weathering [WETH•er•ing] the breaking down of rock into smaller pieces Weathering may be caused by changes in weather, such as freezing and thawing over and over again. Weathering takes place over a long period of time. Weathering has changed the shape of these rocks. Erosion [uh•ROH•zhuhn] when soil, rock, or sand are moved Glacier [GLAY•sher] a large, thick sheet of moving ice Glaciers can cause erosion. Glaciers cut paths through the ground. As a glacier moves, it may pick up pieces of rock, sand, and soil. 3 Name _____________________________________________ Extra Support for Vocabulary and Concepts Choose the best answer: 1-Which of these is the name for the breaking down of rock into smaller pieces? eroding freezing melting weathering 2-Which of these causes of erosion brings sand to a desert? glaciers gravity water wind 3-What is weathering? the changing of soil into a layer of rock the moving of soil from one place to another the breaking down of rocks into smaller pieces the cracking apart of rocks with freezing water 4-What happens when wind or water moves rocks and soil erosion melting 5-A big block of ice is Glacier water 4 freezing weathering gravity wind Name _____________________________________________ Extra Support for Vocabulary and Concepts How Does Earth’s Surface Change Quickly? Science Words Earthquake [ERTH•kwayk] a shaking of Earth’s surface that can cause land to rise and fall . Volcano [vahl•KAY•noh] a mountain made of cooled lava, ash, or other materials from eruptions Melted rock that is underground is called magma. If magma reaches an opening, it may explode onto Earth’s surface. Melted rock on Earth’s surface is called lava. Flood [FLUHD] a change that happens when streams, rivers, or lakes get too full and overflow 5 Name _____________________________________________ Extra Support for Vocabulary and Concepts Choose the best answer: 1-Ann’s little brother asks her what a flood is. Which of the following should Ann tell her brother? A flood is a kind of change that happens slowly in the ocean. A flood is what happens when many rocks tumble down a hill. A flood is what happens when soil gets carried from a farm field to the ocean. A flood is a kind of change that happens when the water in a river gets too high. 2-Amir sees this picture in a book. Which of the following causes this kind of change? an earthquake a flood a landslide a thunderstorm 3-Sometimes, places on Earth shake so much that parts of the land rise and fall. Which of the following is the name for this shaking? crumbling landslide earthquake vibrating 4-This picture shows what can happen to trees and houses when too much rain falls. What does this picture represent? an earthquake a flood a landslide a thunderstorm 5-What does this picture represent? 6 an earthquake a flood a landslide a volcano Extra Support for Vocabulary and Concepts Name _____________________________________________ 6-which of these does not come out of an erupting volcano? a. gases b. ice c.lava d.ashes 7-What is magma? a. hot gases b. melted rock c.hard rocks d.hot metals Complete the following: (Magma-volcano-mountain-landform-glacier-lava-Earthquake) 1-A mountain that forms as lava flows through a crack into the Earth’s surface is . 2-The shaking of the Earth’s surface caused by movement of rock in the crust is . 3-A huge moving mass of ice is 4. The highest landform 5-A natural shape on Earth’s surface . . . 6-Melted rock that is underground is called 7-Melted rock on Earth’s surface is called 7 . . .