Key Words

3. This is a place where a river or stream flows over a steep drop, creating a sudden descent of water. It's like a river taking a big jump down.
6. This is when rocks like limestone dissolve in acidic water over a long time. It's like how sugar dissolves in water.
10. This describes rocks that form from layers of sediment (like sand, mud, and small rocks) that have been pressed together over time. It's like how layers of sand build up at the beach and turn into rock.
11. This describes rocks that have been changed by heat and pressure deep within the Earth. It's like how clay can turn into pottery when it's heated.
12. This describes rocks that form from molten magma cooling and hardening. It's like how lava from a volcano cools and turns into solid rock.

1. This is when water gets into cracks in rocks, freezes, expands, and then thaws (melts), causing the cracks to widen over time. It's like how ice can crack a sidewalk.
2. This is when glaciers (huge masses of ice) pick up rocks and carry them away as the ice moves. It's like how a giant bulldozer might scoop up rocks and carry them.
4. This is a high, steep face of rock or earth. It's like a giant wall of rock.
5. This is when rocks and sediment bump into each other and break into smaller pieces as they are transported by water, ice, or wind. It's like how rocks in a river knock against each other and become smoother.
7. This happens when rocks and sediment carried by water or wind scrape and rub against other rocks, wearing them down over time. It's like how sandpaper wears down wood.
8. Action, This is when the force of moving water wears away rock and soil from a riverbank or coastline. It's like how a strong stream of water can erode the dirt from the edge of a river.
9. This is a ridge of sand or shingle that connects an island to the mainland or another island. It's like a natural bridge made of sand.
11. This is a winding curve or bend in a river. It's like when a river twists and turns.
13. Creep, This is the slow movement of soil and sediment down a slope due to gravity. It's like how soil can slowly slide downhill over time.