Thursday’s Warm Up

1. Thursday’s Warm Up December 5

2. A delta, the landform found at the mouth of a river, forms when- A plants on the river bank cause erosion B the river deposits sediments as it slows C rushing water makes stones in the river smooth D water flowing down the mountain makes it taller

3. Which of the following landforms is the result of a river carving out land by erosion? A Canyon B Sand dune C Delta D Mountain

4. Students used a fan to blow piles of sand. This best models which of the following natural processes that create changes to the land? A Weathering of rocks to make soil B Deposition of sediments to form deltas C Formation and movement of dunes D Carving out plains creating canyons

5. Several layers of sedimentary rock are illustrated. They are in the same order as when they first formed. Which layer formed first? A Rock Layer W B Rock Layer X C Rock Layer Y D Rock Layer Z

6. Sedimentary rocks form when broken bits of other rock are deposited and then – A buried and squeezed and cemented together B melted by the heat of the earth’s core C completely dissolved in salt water in the ocean D used by humans as a natural resource