Download presentation
Presentation is loading. Please wait.
Published bySibyl Moore Modified over 9 years ago
1
1. _____the breaking of minerals unevenly (minerals) 2.. _____ type of mechanical weathering occurs when water contracts and expands in rocks (weathering) 3.. _____process builds up land (erosion and deposition) 4.. _____ extremely slow movement of material downslope (gravity) 5.. _____ What do glaciers create? (glaciers) __
2
1. What is soil? 2. What are the composition of soil? 3. What is the parent rock? 4. What affects the formation of soil?
3
1. Soil is made of weathered rock (small mineral fragments) and organic matter. 1. Soil is made of weathered rock (small mineral fragments) and organic matter.
4
2. Components- 2. Components- Weathered Rock-sand, silt, clay Organic matter- living or once living materials Ex humus (decayed plant and animal) Organic matter- living or once living materials Ex humus (decayed plant and animal) Other-water and air Other-water and air
5
3. The parent rock is the source of the soil. 3. The parent rock is the source of the soil.
6
4. Factors that affect soil formation 4. Factors that affect soil formation Climate-soil forms more quickly in warm, wet environments Climate-soil forms more quickly in warm, wet environments Parent rock-some rocks weather faster than others Parent rock-some rocks weather faster than others Organisms-soil forms more quickly with plants, animals, bacteria, and fungi Organisms-soil forms more quickly with plants, animals, bacteria, and fungi Topography-more quickly soil forms on steep slopes and on top of other soil Topography-more quickly soil forms on steep slopes and on top of other soil Time-takes thousand or million of years to form
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.