10 multiple-choice questions on rocks:




1. What type of rock is formed from the cooling and solidification of magma or lava?
   a) Sedimentary
   b) Igneous
   c) Metamorphic
   d) Volcanic

2. Which of the following is an example of an igneous rock?
   a) Sandstone
   b) Marble
   c) Granite
   d) Slate

3. How are sedimentary rocks formed?
   a) Through the cooling of magma or lava
   b) By the compaction and cementation of sediments
   c) Through the alteration of existing rocks by heat and pressure
   d) Through the recrystallization of minerals

4. Which of the following is NOT a sedimentary rock?
   a) Limestone
   b) Shale
   c) Marble
   d) Sandstone

5. How are metamorphic rocks formed?
   a) Through the cooling of magma or lava
   b) By the compaction and cementation of sediments
   c) Through the alteration of existing rocks by heat and pressure
   d) Through the recrystallization of minerals

6. Which of the following is an example of a metamorphic rock?
   a) Basalt
   b) Gneiss
   c) Obsidian
   d) Pumice

7. What is the process by which rocks are broken down into smaller fragments called?
   a) Weathering
   b) Erosion
   c) Deposition
   d) Compaction

8. Which type of rock is primarily composed of calcite?
   a) Igneous
   b) Metamorphic
   c) Sedimentary
   d) None of the above

9. What type of rock is formed from the remains of plants and animals?
   a) Igneous
   b) Metamorphic
   c) Sedimentary
   d) Volcanic

10. Which of the following is an example of an organic sedimentary rock?
    a) Conglomerate
    b) Sandstone
    c) Coal
    d) Gypsum