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Explore the formation of sedimentary rocks, types of weathering, and the essential role of soil in ecosystems. This collection of science tips provides insights into clastic, chemical, and organic rock types, the process of stratification, and the chemical weathering that leads to corrosion. Understand soil as a mixture of minerals, organic material, and more, along with the importance of historical plant and animal decay. Learn about soil profiles, the most resistant minerals to weathering, and ideal soil compositions for plant growth.
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Science Tip #1: April 17th • How do sedimentary rocks form? (p.182-186) • Clastic, chemical, and organic are 3 types of what? • What is stratification? • What type of chemical weathering produces corrosion and rust? (p219-223)
Science Tip #2 April 19th • Soil is a complex mixture of ___, ___, ___, and ___. • As plants and animals die, their remains decay and produce ___, a dark, organic material. • Draw and label the figure on p. 227. • What is a soil profile? • READ YOUR LAB WHEN YOU FINISH.
Science Tip #3 April 20 • Which mineral is most resistant to weathering? A. calcite B. hematite C. quartz D. feldspar • Soil is formed from: A. weathering rocks B. decaying plants C. microorganisms D. all of these • Which combo would produce the best soil for growing plants? (use the pyramid on your lab paper) A. 40% sand, 40% silt, 20% clay B. 70% sand, 10% silt, 20% clay C. 10% sand, 80% silt, 10% clay
Answer A B A C
