physical weathering
what is physical weathering
the breaking of rocks into smaller pieces w/o changing what they are made of
what is chemical weathering
the process of changing rocks through chemical reactions
what is a land form
a natural feature of earths surface
what is erosion
the movement of weathered rocks
what is the largest ocean on earth
pacific ocean
what is ice wedging
water freeze ij cracks, expands and break rocks apart
what type of rain can dissolve certain rocks
acid rain
name three characteristics used to describe a landform
structure, elevation, and rock exposure
name two things that can cause erosion
water wind ice or gravity
what kind of fish was nemo
clown fish
what is abrasion
rocks scrape or rub against other rocks wearing them down
what is oxidation
a chemical reaction between oxygen and minerals in rocks, often causing rust
what is a glacier
a large slowly moving mass of ice
what is deposition
the process of dropping or settling sediemnt to a new location.
What organ pumps blood through the body
heart
does physical weathering change the chemical makeup of a rock
no
what happens when acidic water comes into contact with limestone
the limestone slowly dissolve
what are hoodoos
tall thin, rock formations shaped by weathering or erosion
what happens to a sediment when a river slows down
it begins to settle and may be deposited
Answer: Omnivores
name one example of physical weathering
ice wedging, abrasion, or plant roots growing into cracks
how is chemical weathering different from physical weathering?
chemical change rock composition physical weathering only break rock apart
what is the difference between a mountain and valley
m is high area and A vally is low between hills or mountains
what is the difference between weathering erosion and deposition
break the rock , carry the rock, drop the rock