Porosity-Lab-Key (1) - Teacher Answer Guide This is a guide...

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Teacher Answer Guide This is a guide for expected answers that students should give. The answers may not be exact but should be very close. Student Lab Worksheet – Porosity Lab Pre Lab Questions 1. Define Porosity: Porosity is the amount of pore space within a rock. 2. Define Permeability: Permeability is how easily the liquid moves through the sediments. 3. Describe the difference between a well sorted sediment sample and a poorly sorted sediment sample. A well sorted sample means that all of the grains of sediment are the same size and poorly sorted means that all of the sediment grains are of different sizes. 4. Study each of the sediment samples. As a group, predict which type of sediment will have the most available pore space. (Decide which of these “full” cups of sediment will hold the most water.)________________________ Student answers will vary depending on what each group of students believes. Any answer will work as long as they are able to justify it while answering question #5. 5. Why did the group agree on the answer for #4? What led your group to believe that the sediment you chose for #4 has the largest amount of pore space? Students need to give a reason for why they picked their answer for #4.
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