Erosion

What is weathering?

• Breaking apart of rocks by mechanical or chemical methods

• Snow, Rain and Wind

• When sediments are settled

• Deciding on two options

What is deposition?

• Breaking apart of rocks by mechanical or chemical methods

• When sediments are settled out of wind or water

• Moving sediments to a new place

• Something a doctor has

What is erosion?

• Breaking apart rocks by mechanical or chemical methods

• When sediments are settled out of wind or water

• Moving sediments to a new place

• Something you have at school

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

• Deposition

• Erosion

• Weathering

• Compaction

Tags

NGSS.4-ESS2-1

The process of breaking up Earth's surface into sediment is called...

• sediment
• erosion
• weathering
• deposition 

Tags

NGSS.4-ESS2-1

What is sediment?

• the process of rocks being broken down and carried away
• bits of rock, sand, and silt caused by the weathering of rocks
• the top layer of the soil
• decaying plant or animal material 

Tags

NGSS.4-ESS2-1

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

Tags

NGSS.4-ESS2-1

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.4-ESS2-1

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

• weathering
• erosion
• soil conservation
• decomposition

Tags

NGSS.MS-ESS2-2

How does freezing water cause the weathering of rocks?  The freezing water—

• keeps the rocks in place
• makes the rocks last longer
• expands cracks and breaks rocks
• causes rocks to fall in landslides

Tags

NGSS.MS-ESS2-2