WorksheetsRocks and Minerals
Total questions: 15
Worksheet time: 8mins
1. Which of the following best defines a rock in geology?
A. A single mineral with unique properties
B. A man-made object composed of minerals
C. A naturally occurring aggregate of one or more minerals
D. A liquid mass of mineral particles
2. What are the three main types of rocks?
A. Quartz, feldspar, mica
B. Igneous, metamorphic, sedimentary
C. Basalt, granite, limestone
D. Magma, lava, crystal
3. Which of the following minerals is the hardest among common minerals?
A. Mica
B. Quartz
C. Feldspar
D. Calcite
4. Granite is best classified as which type of rock?
A. Sedimentary
B. Metamorphic
C. Igneous
D. Volcanic
5.** Which mineral is known to split into very thin sheets?
A. Quartz
B. Feldspar
C. Hornblende
D. Mica
6. What is the primary chemical component of quartz?
C. Silicon oxide
B. Aluminum silicate
C. Silicon oxide
D. Magnesium carbonate
7.The rock that forms the ocean floor is mainly:
**
A. Granite
B. Basalt
C. Limestone
D. Marble
8. What causes metamorphic rocks to form?
A. Evaporation of water
B. Cooling of lava
C. Heat, pressure, or chemical fluids
D. Crystallization of minerals in magma
9. Which of these is a clastic sedimentary rock made of sand-sized particles?
A. Sandstone
B. Siltstone
C. Shale
D. Conglomerate
10. Which of these rocks forms from biological material in shallow seas?
A. Granite
B. Basalt
C. Limestone
D. Obsidian
11. Which rock results from the metamorphism of limestone?
A. Shale
B. Marble
C. Quartzite
D. Slate
12. What term describes the continuous process of rocks being transformed into other rock types?
A. Rock formation
B. Rock sedimentation
C. Rock cycle
D. Rock layering
13. Which mineral weathers most slowly and is used in optical devices?
A. Mica
B. Feldspar
C. Hornblende
D. Quartz
14. What is the thickest layer of Earth beneath the crust?
A. Lithosphere
B. Core
C. Mantle
D. Sediment
15. Feldspar weathers to form which useful material for pottery?
A. Quartz
B. Kaolinite clay
C. Granite
D. Obsidian
