Sed Rx Science Tips
1. How do sedimentary rocks form? (p.182-186)
2. Clastic, chemical, and organic are 3 types of what?
3. What is stratification?4. What type of chemical weathering
produces corrosion and rust? (p219-223)
Science Tip #1: April 17th
1. Soil is a complex mixture of ___, ___, ___, and ___.
2. As plants and animals die, their remains decay and produce ___, a dark, organic material.
3. Draw and label the figure on p. 227.
4. What is a soil profile?5. READ YOUR LAB WHEN
YOU FINISH.
Science Tip #2 April 19th
1. Which mineral is most resistant to weathering?
A. calcite B. hematite C. quartz D. feldspar
2. Soil is formed from: A. weathering rocks B. decaying plants C. microorganisms D. all of
these
3. Which combo would produce the best soil for growing plants? (use the pyramid on your lab paper)A. 40% sand, 40% silt, 20% clayB. 70% sand, 10% silt, 20% clayC. 10% sand, 80% silt, 10% clay
Science Tip #3 April 20
A
B
C
Answer A
Science Tip #4 4/23/12