Weathering and Erosion

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

Tags

NGSS.MS-ESS2-4

What is mechanical weathering?

• Process through which rocks are physically broken into smaller pieces.
• Rocks are broken down through chemical changes.
• Rocks are worn away from acid in plant roots.
• Rocks broken down by machinery.

Tags

NGSS.MS-ESS2-2

The process that breaks down rocks and other materials on Earth's surface is called

• weathering
• erosion
• soil conservation
• decomposition

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

Tags

NGSS.MS-ESS2-2

When rocks are broken down into smaller pieces

• erosion
• weathering
• sediment

When water, ice and wind move particles of rock and soil from one place to another

• sediment
• weathering
• erosion

A mass of ice that covers a large area and moves slowly

• gravity
• glacier
• sediment

Tags

NGSS.MS-ESS2-4

Erosion caused by _______________ changes beaches and lakes

• glaciers
• ice
• waves

Tags

NGSS.MS-ESS2-2

Water, wind, gravity, ice, plants are all part of this kind of weathering

• Chemical

• Mechanical

Sand dunes normally shift position through the action of

• Wind
• Rivers
• Earthquakes