Changes in the Geosphere

Rocks and pebbles in a river become smooth as they smash into other rocks.

• Weathering
• Erosion

Which process describes deltas forming at the mouths of rivers?

• Weathering

• Erosion

• Deposition

Which process describes a sand dune being formed by large amounts of sand dropped off by strong winds?

• Weathering

• Erosion

• Deposition

What do the lines on this map represent?

• volcanoes

• easrthquakes

• plate boundaries

• travel routes

Which process describes waves dropping sand on the beach?

• Weathering

• Erosion

• Deposition

What three cause slow change to the Earth?

• Rock, Sand, Water

• Lava, Ice, Sediment, and Glaciers

• Weathering, Erosion and Deposition

A delta is formed by the action of -

• weathering
• erosion
• deposition

• condensation

Which process describes a mudslide flowing down a steep hill?

• Weathering

• Erosion

• Deposition

a deep valley that forms when an ocean plate moves below another plate

• mid-ocean ridge
• rift zone
• ocean trench
• ocean basin

Several layers of rock are illustrated in their unchanged positions. Which of the following conclusions is supported by the data in this illustration?

• Rock layer W is the oldest of all the rock layers shown.

• Rock layer X was formed just before rock layer Y

• Rock layer Y is twice as old as rock layer W.

• Rock layer Z is the oldest of all the rock layers shown.