This lesson has 2 geology history mysteries for you to explore. First, you’ll learn about the different conditions that determine whether a canyon or a v-shaped valley is more likely to form. Then, you’ll learn about the mushroom-shaped rocks called earth pillars (or hoodoos). After all that talk about erosion, you’ll get to do a sorting activity to learn about the differences between weathering, erosion, and deposition.
Related topics and things you might want to know already:
All of the Work of Water, but especially the following lessons:
What you’ll learn:
- How erosion from rainfall creates certain landforms.
Pre-lesson discussion questions:
- Have you ever seen a canyon?
- Have you ever seen a v-shaped valley?
- Have you ever seen a mushroom-shaped rock?
- Do you know what all of the landforms above have in common?