| A | B |
| landform | a natural land shape or feature |
| topography | surface landforms of an area |
| mesa | a tall, flat topped rock. It forms as running water erodes the surrounding rock |
| canyon | deep valleys with steep sides. Usually rushing rivers carve out the many layers of rock to form these |
| sandbar | when a river flows and gathers sand but then begins to slow down, leaving the sand to settle in large clumps |
| sand dune | a hill of sand that’s made and shaped by wind |
| barrier islands | long, narrow piles of sand that help protect the mainland from wave erosion |
| fault | a break in Earth’s crust. These can lead to Earthquakes |