5th Science - Changes to Land Earth and Space

Front

Sand dunes are created when sand is moved and deposited by __________________.

Back

strong, persistent winds.

Front

Deltas and Canyons are similar because both ____________.

Back

form due to the action of moving water.

Front

Rivers create landforms as they move across the surface of the Earth. Rivers move as water flows from

Back

high in the mountains, down to oceans and lakes.

Front

Which condition is necessary for dunes to be formed? Options: frequent rains and abundant plant life., loose, sandy sediments and strong winds., earthquakes and volcanic eruptions, strong ocean currents and large boulders.

Back

loose, sandy sediments and strong winds.

Front

What is made of sediments deposited at the mouth of a river by moving water that slows down?

Back

delta

Front

Students used a fan to blow piles of sand. This best models which of the following natural processes that create changes to the land?

Back

formation and movement of dunes

Front

A growing delta at the mouth of a river continues to grow because

Back

the river deposits new material on the delta.

Front

Which forces create landforms such as deltas, dunes, and canyons?

Back

moving wind and water

Front

Which of the following landforms is the result of a river carving out land by erosion? mountain, sand dune, canyon, delta

Back

canyon

Front

A delta, the landform found at the mouth of a river, forms when

Back

the river deposits sediments as it slows.