Gizmo Weathering | Student Exploration: Weathering 2021 | ALL ANSWERS CORRECT

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Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. Vocabulary: abrasion, chemical weathering, clay formation, climate, dissol... ving, frost wedging, granite, limestone, mechanical weathering, rusting, sandstone, shale, weathering Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Compare the two pictures at right. Both pictures show the same kind of rock, granite. 1. Which rock do you think has been exposed on Earth’s surface longer? B 2. Why do you think so? I think rock B has been exposed on Earth’s surface longer because the rock is more rounded and has worn out edges. Gizmo Warm-up When rocks are exposed on Earth’s surface, they are gradually broken down into soil by the actions of rain, ice, wind, and living organisms. This process is called weathering. In the Weathering Gizmo, you will explore how weathering takes place. To begin, select the SIMULATION tab. Notice the selected Rock type is Granite, a hard, dense rock. 1. Click Play ( ). Wait for about 5,000 simulated years, and click Pause ( ). What do you notice? No change/ 460 2. Click Fastplay ( ). Wait for about 50,000 simulated years. What do you notice? No visual changes; 460 3. Based on your observations [Show More]

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