Chapters 9 & 10 Earth

Breaking down a rock by physical means is called ​ (a)   and breaking down the rock's composition is called​ (b)  

• Chemical

• Mechanical

• mechanical weathering
• chemical weathering
• physical weathering
• element weathering

Select the true statements about Ice Wedging.

• Happens every where in the world

• Happens in areas that have freezing and thawing

• a type of chemical weathering

• a type of mechanical weathering

Tags

NGSS.MS-ESS2-2

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

• Weathering

• Erosion

• Deposition

• Decomposition

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Rocks that stay in its original large size are impacted by chemical weathering more than those that have gone through mechanical weathering.

• True

• False

Match these types of chemical weathering.

• most important, chemicals are leached

• water

• carbonic acid made and dissolves rocks

• oxygen

• new compound made from O reaction

• carbon dioxide

Soil that is made from rock fragments is​ (a)   and soil from decaying plant and animal materials is ​ (b)   .

• inorganic
• organic
• synthetic, mineral
• artificial, fossil
• chemical, biological

Select all of the things that can impact soil composition.

• biological activity

• time

• original rock type

• climate

Label the layers

a

b

c

Horizon C

Horizon A,Top Soil

Horizon B, subsoil

Soil scientists classify soil by the % of

• inorganic matter

• sand

• silt

• clay

• organic matter

The soil type that is the most permeable is​ (a)  

• sand
• clay
• silt
• loam