1. Delta

• a triangular shaped landform at the mouth of a river
• the dropping of sediment in a new location
• the breaking down of larger rocks into sediment
• the movement of sediment
• a mountain of sand formed by deposition

2. Deposition

• the dropping of sediment in a new location
• a triangular shaped landform at the mouth of a river
• the breaking down of larger rocks into sediment
• the movement of sediment
• a mountain of sand formed by deposition

3. Erosion

• the movement of sediment
• the dropping of sediment in a new location
• a triangular shaped landform at the mouth of a river
• the breaking down of larger rocks into sediment
• a mountain of sand formed by deposition

4. Weathering

• the breaking down of larger rocks into sediment
• the dropping of sediment in a new location
• a triangular shaped landform at the mouth of a river
• the movement of sediment
• a mountain of sand formed by deposition

5. Sand Dune

• a mountain of sand formed by deposition
• the dropping of sediment in a new location
• a triangular shaped landform at the mouth of a river
• the breaking down of larger rocks into sediment
• the movement of sediment

6. Canyon

• a landform carved out by wind and water
• the dropping of sediment in a new location
• a triangular shaped landform at the mouth of a river
• the breaking down of larger rocks into sediment
• the movement of sediment

7. Which information best describes a sand dune?

• Found at the mouth of fast-flowing rivers, like the Mississippi. Formed by water erosion and deposition.
• Found all over the world and often called ravines or gorges. Formed by both wind and water weathering and erosion.
• Found in deserts and along coastlines, like the Sahara Desert. Formed by wind erosion and deposition.

8. Which information best describes a delta?

• Found at the mouth of fast-flowing rivers, like the Mississippi. Formed by water erosion and deposition.
• Found all over the world and often called ravines or gorges. Formed by both wind and water weathering and erosion.
• Found in deserts and along coastlines, like the Sahara Desert. Formed by wind erosion and deposition.

Answer explanation

9. Which information best describes a canyon?

• Found at the mouth of fast-flowing rivers, like the Mississippi. Formed by water erosion and deposition.
• Found all over the world and often called ravines or gorges. Formed by both wind and water weathering and erosion.
• Found in deserts and along coastlines, like the Sahara Desert. Formed by wind erosion and deposition.

When does a delta form?

• A delta forms on land away from any water.
• A delta forms in the middle of a river.
• A delta forms when a river flows into a mountain.
• A delta forms at the mouth of a river where it meets a body of water.

Answer explanation