Q2 Benchmark Exam Practice 2

Front

What is the definition of constant speed?

Back

Constant speed means that an object covers equal distances in equal intervals of time, without changing its speed.

Front

What is a delta in geographical terms?

Back

A delta is a landform that forms at the mouth of a river, where the river meets a body of water, and sediment is deposited.

Front

How do dunes form?

Back

Dunes form when sand is blown by the wind and gets trapped by vegetation, such as beach grass.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by natural forces such as wind or water.

Front

What is weathering?

Back

Weathering is the breaking down of rocks and minerals into smaller pieces by natural processes, including temperature changes, water, and biological activity.

Front

What is the main difference between rivers in Florida and those in mountainous regions?

Back

Florida's rivers are generally shallower than those in mountainous regions.

Front

What causes a river delta to grow larger and shallower over time?

Back

A river delta grows larger and shallower as sediment is deposited when the river slows down.

Front

What is the role of sediment in river systems?

Back

Sediment is material that is carried by water and can be deposited in various locations, shaping landforms like deltas.

Front

What is the significance of the St. John’s River in Florida?

Back

The St. John’s River is the largest river in Florida and plays a crucial role in the state's ecosystem and geography.

Front

What is the difference between a dune and a delta?

Back

A dune is formed by wind-blown sand, while a delta is formed by sediment deposited at the mouth of a river.