Download study guide unit 5

Science
Unit 5
 landform-a part of Earth’s surface that has a certain shape and is formed
naturally.
 valley-the low land between mountains or hills.
 canyon-a valley with steep sides.
 mountains-landforms that are much higher than the surrounding land.
 plateau-flat land but higher than the land around it.
 weathering-the breaking down of rock into smaller pieces.
 erosion-when soil, rocks, or sand are moved.
 glacier-a large, thick sheet of moving ice.
 earthquake-a shaking of Earth’s surface that can cause land to rise and fall.
 volcano-a mountain made of cooled lava, ash, or other materials from
eruptions.
 flood-a change that happens when streams, rivers, or lakes get too full and
overflow.