7.1 Guided Reading

Mechanical weathering only changes in the size and shape of the rock.

• true
• false

Frost wedging is responsible for the formation of ___________________________.

• hail
• glaciers
• potholes
• snow

Roots of trees can mechanically weather rock.

• true
• false

Exfoliation often results in __________________________-shaped formations

• jagged
• square
• bowl
• dome

Process by which rocks and minerals undergo changes in their composition

• physical weathering
• metamorphosis
• chemical weathering
• exfoliation

Limestone and marble are not affected by chemical weathering.

• true
• false

Chemical reaction rates _____________________ as temperature increases.

• increase
• decrease
• stay the same

Water can ________________________ many kinds of minerals and rocks.

• melt
• dissolve
• evaporate
• freeze

The chemical reaction of oxygen with other substances is called _______________________.

• oxidating
• oxicleaning
• oxygenating
• oxidation

When carbon dioxide combines with water in the atmosphere it forms ___________________

• carbonite
• sulfuric
• carbonic
• dioxic