FCAT Grade 8 Science Assessment Practice Questions

Category - FCAT Science Assessment Grade 8

Sedimentary rocks are formed through the process of:
  1. Oxidation.
  2. Lithification.
  3. Recidivication.
  4. Detrialiation.
  5. Allylation.
Explanation
Answer: B - Sedimentary rocks are formed through lithification, which is the compacting of sediment layers into rock-like hardness. Many sedimentary rocks are not very hard though, and include sandstone (cemented sand), shale (clay), and limestone.
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