UNIDAD EDUCATIVA BILINGÜE ESPÍRITU SANTO FES EDUCACIÓN GENERAL BÁSICA SCIENCE INDIVIDUAL ACIVITY “HOW DO WEATHERING AND EROSION SHAPE EARTH´S SURFACE?” Name: ________________________________ Date: _____________________ 7th “___” Topic: WHAT CAN BREACK A BOULDER? Think about what can cause weathering Use the following words and pictures to fill the chart. Flowing Animals Tree´s Gravity Water roots Rock that fall down a cliff can break rocks below. Rock tumble and scrape again other rocks in the riverbed. Sand blown by wind can scrape against rocks. Grow in a small crack in a rock when the tree grows, its roots push the rock apart. Dig up rocks exposing them to wind and water. Chemicals in water and rain combine with the rocks and crumbles. Chemicals Sand ___ 10