Erosion, Weathering, Rock Layer

the transport of fragments of rock by water, wind, ice, or gravity

• deposition

• lithification

• erosion

• weathering

What is the process of moving sediments from location to another?

• Deposition

• Erosion

• Weathering

• Compaction

Which of these is an example of erosion?

• Light shinning onto a mountain

• Rain breaking down rock

• Wind blowing away sediment

• All of the above

Rain washing away soil from a hillside

• Weathering

• Erosion

• Deposition

Wind blowing sand from one location to another

• Weathering
• Erosion
• Deposition

How do plants in the soil affect how fast erosion happens?

• It doesn't affect erosion.

• It slows down erosion.

• It speeds up erosion.

How do plants weather rocks?

• during photosynthesis
• when roots grow into cracks of rocks and expand the rock
• when the plant moves water from the roots to the leaves
• Plants don't weather rocks

The diagrams  shows a natural process that weathers rock.
 Which statement best explains why this process results in weathering?

• frozen water acts as a solute
• water expands when it freezes
• the mass of water increases when it freezes
• frozen water dissolves most types of rock

Which of the following is NOT an element of erosion?

• Water

• Wind

• Chemical

• Electrical Current

Rock layers with seashell fossils tell us...

• the area is part of the beach now.

• the area was covered by an ocean in the past.

• the area must be a desert.

• plants were located in this area.