Weathering
the weathering of earth
crosswordp
directions: complete the crossword...
Weathering
the weathering of earth
crosswordp
directions: complete the crossword puzzle
across
2. the breakdown of rock into smaller pieces
4. a chemical reaction in which metal combines
with oxygen to form rust
7. landslides are a form of mechanical weathering
caused by the force of
- weathering is the breakdown
of a rock's minerals by water, oxygen, carbon
dioxide, living organisms, and acid rain.
9. caused when water in the cracks in rocks
freezes and expands
11. causes mechanical weathering by blowing sand
against exposed rock
12. plant
can grow into
existing cracks in rocks and cause
mechanical weathering.
down
1.
weathering is a process by
which softer, less weather-resistant rocks are
worn away, leaving more weather-resistant
rocks exposed.
3. can be found in polluted rainwater; causes
chemical weathering
5.
the action of rocks grinding against each
other and wearing away exposed surfaces
weathering is the breakdown
of a rock into smaller pieces by freezing,
thawing, plant growth, or the actions of
animals.
element of nature that can cause mechanical
weathering by flowing over or carrying rocks
along in a current
6.
10.
just the facts: earth and space science
2 8
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