Physical Weathering

Which kind of weathering involves the breakdown of rocks through direct contact with atmospheric conditions such as heat, water, ice and pressure?

• physical
• chemical

Which type of weathering has affected this rock?

• Unloading

• Frost Wedging

• Thermal Expansion

• Abrasion

Tags

NGSS.MS-ESS2-4

The grinding away of rock by rock particles carried by water, ice, wind, or gravity is called __________.

• Abrasion

• Unloading

• Thermal expansion

• Frost Wedging

Tags

NGSS.MS-ESS2-2

Repeated daily heating and cooling of rock causes expansion; cooling causes contraction, different minerals expand and contract at different rates causing the rock to split, this is weathering by __________.

• Abrasion

• Unloading

• Thermal expansion

• Frost Wedging

Tags

NGSS.MS-ESS2-2

Rock breaks off into leaves or sheets along joints which are parallel to the ground surface due to uplift and removal of surface material that covered the rock, this is called __________.

• Abrasion

• Unloading

• Thermal Expansion

• Frost Wedging

Tags

NGSS.MS-ESS2-2

Water in small cracks in rock expands when it freezes, eventually breaking off parts of the original rock. This is weathering by _______________.

• Abrasion

• Unloading

• Thermal Expansion

• Frost Wedging

What type of physical weathering has occurred to this rock?

• Unloading

• Frost Wedging

• Thermal Expansion

• Abrasion

What type of physical weathering has occurred here?

• Unloading

• Frost Wedging

• Thermal Expansion

• Abrasion

Tags

NGSS.MS-ESS2-2

What type of physical weathering has happened to this rock?

• Unloading

• Frost Wedging

• Thermal Expansion

• Abrasion

What type of physical weathering has affected this rock?

• Unloading

• Frost Wedging

• Thermal Expansion

• Abrasion