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Kristie Wilkens

Student Instructions

Erosion, Earth's Surface and Landforms: What's Strong Enough to Make a Canyon?

In this Mystery, students make hypotheses and investigate the causes of canyons. In the activity, Cornmeal Canyons, students create a model landform using cornmeal. We will make our hills out of sand instead. Then they drip water over this “land” to observe how water can change its shape and to understand how, over long periods of time, canyons can be formed through a similar process. 1. Get Materials Damp Sand Mixing bowl Ruler Plastic small cup that you can poke a hole through with something sharp like a tack Larger cup to form land Cup to hold water 1 Paper plate and 1 Plastic plate (regular plates can be used at home instead of paper and plastic plates) Spoon 2 Small binder clips 2. Click on the link to watch the video Follow along to do the experiment. Use the drawing to draw on the Seesaw slides. Answer the questions at the end using the T or the 🎤 IF you were not able to get supplies and do this experiment yourself, watch the video at the end and then complete the questions on slide 7. 3. Click the check to submit your work.

2nd Grade, Science
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Compatible with: Chromebooks, computers, iPads, iPhones, Android tablets, Android phones, Kindle Fire

Students will edit this template: