6-9.3

What are the curves or bends in a river called?

• Bars
• Meanders
• Deltas
• Oxbow lakes

What is the landform that forms when a meander becomes cut off from the rest of the river?

• Bars
• Deltas
• Meanders
• Oxbow lakes

What are the long mound-like deposits of sand or gravel that form parallel to the flow of water in a river channel called?

• Deltas
• Bars
• Oxbow lakes
• Meanders

Why don't bars form on the outsides of mature river bends?

• The water flow is not strong enough to deposit sediment
• The water flow is too fast
• The water flow is too slow
• The water flow is turbulent on the outside

What is the fan-shaped deposit called that forms when a river or stream empties into a larger body of water?

• Meanders
• Deltas
• Bars
• Oxbow lakes

What are the deposits of sediment that form when water from a river that flows down a mountain reaches a broad, flat area called?

• Alluvial fans
• Meanders
• Deltas
• Oxbow lakes

What is water that is beneath Earth’s surface called?

• Groundwater
• Saltwater
• Surface water
• Freshwater

What are the huge holes that form when groundwater dissolves rocks called?

• Oxbow lakes
• Caves
• Alluvial fans
• Bars

How long do scientists estimate it takes for caves to form?

• A few weeks
• A few years
• Thousands of years
• A few decades

What is the name of the landform that forms when sand extends outward from a shore into the ocean?

• Sea arches
• Spits
• Sea stacks
• Barrier islands