10 Questions
What type of weathering is caused by chemical reactions?
Chemical weathering
Which process gets its working energy from the heat stored inside the earth?
Internal Processes
What is responsible for shaping the earth's surface by breaking down rocks?
Weathering
What type of weathering involves the pressure from the growth of plant roots?
Biotic weathering
From where does External Processes get its working energy?
The sun
What is the process of rock breakdown by the expansion of ice called?
Frosting (Ice wedging)
Which process causes rock exfoliation due to the expansion and contraction of outer surface layers?
Change in temperature
What is the process where salt crystals left behind in cracks and cavities push the crack sides, causing the break up of the rock?
Crystal growth
Which process involves wind driving sand and dust particles like sandpaper against an exposed rock or soil surface?
Abrasion
What is the product of weathering formed by the breakdown of some material into smaller components?
Regolith (Soil Profile)
Test your knowledge on the main ideas and processes affecting the Earth, including external processes, internal processes, geothermal energy, and transformation of energy. Explore the concepts of continental drifting, sea floor spreading, mountain building, and the role of the sun in external processes.
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