How objects, processes and forces weather and eroed landforms

The grand canyon is form by...

• weathering

• erosion

• water

• all of the above

Arches is form by

• weathering

• erosion

• wind and rain

• all of the above

You want all of the soil from the top of the hills to move to the bottom of the hills. Think about three best methods of erosion that will help erode the hill.

• add more trees

• fast wind

• no wind

• make it rain a lot

• remove trees

This mountains in picture are smooth and rounded, because...

• the mountains are older

• there are many trees

• they have been lots of weathering and erosion

• many people go there

Rivers carry dust, pebbles, and rocks downstream where they eventually settle. These sediments form at bends in a river, as well as in locations where rivers dump water into lakes, seas, and oceans. This geological process of setting down eroded material is known as...

• weathering

• erosion

• deposition

• gravity

It has taken millions of years for the Grand Canyon to build up and break down. Where would the oldest rocks of this canyon most likely be?

• Upper layers of the canyon

• Lower layers of the canyon

• Middle Layers of the canyon

• Eroded away