Unit 2 - Practice Quiz

1 Which of the following describes the scientific study of rocks?

2 What is the most abundant mineral group in the Earth's crust?

3 According to Mohs scale of hardness, which mineral has a hardness value of 7?

4 Which of the following is a primary mineral commonly found in acidic igneous rocks?

5 Which igneous rock is classified as intrusive (plutonic) and acidic?

6 What is the chemical formula for Orthoclase feldspar?

7 Which process involves the transformation of loose sediment into solid sedimentary rock?

8 Limestone is primarily composed of which mineral?

9 Which metamorphic rock is formed from the metamorphism of Limestone?

10 The physical breakdown of rocks into smaller particles without a change in chemical composition is known as:

11 Which chemical weathering process involves the reaction of minerals with water to form new minerals, often converting feldspars to clays?

12 What is the color of the streak of Hematite ()?

13 Which of the following is an example of a foliated metamorphic rock?

14 Exfoliation, or 'onion-skin' weathering, is primarily caused by:

15 Identify the ferromagnesian mineral from the list below.

16 The chemical reaction represents which weathering process?

17 Which rock is fine-grained, basic, and extrusive?

18 Sandstone is transformed into which metamorphic rock?

19 Which mineral is the primary source of Phosphorus in soils?

20 What is the average specific gravity of most soil minerals?

21 The conversion of (ferrous) to (ferric) in minerals is an example of:

22 Which of the following is a secondary mineral?

23 Frost wedging is most effective in which climate?

24 Which of the following acids is produced by the reaction of carbon dioxide with water?

25 Which of the following minerals is most resistant to weathering?

26 Slate is a metamorphic rock derived from which sedimentary rock?

27 The reaction is an example of:

28 Which term describes the way a mineral breaks along smooth, flat planes?

29 Which of the following is a mica mineral known as 'black mica'?

30 Sedimentary rocks composed of broken fragments of pre-existing rocks are called:

31 Chelation is a mechanism associated with which type of weathering?

32 Which mineral group has a structure based on isolated silica tetrahedra?

33 Obsidian is an igneous rock characterized by which texture?

34 The expansion of water upon freezing exerts a pressure of approximately:

35 Which mineral is formed by the hydration of Anhydrite ()?

36 Which of the following is NOT an agent of metamorphism?

37 A sedimentary rock composed of rounded gravel-sized particles is called:

38 Which silicate clay mineral has a 1:1 crystal lattice structure?

39 Reduction is a chemical weathering process that typically occurs in which soil condition?

40 Magma that cools and solidifies beneath the Earth's surface forms which type of rock?

41 The ability of a mineral to reflect light from its surface is called:

42 Which of the following minerals is a carbonate?

43 In the context of weathering, what is 'Abrasion'?

44 Which of the following is a sheet silicate?

45 Pumice is an example of a rock with which texture?

46 Dissolution involves the complete breakdown of a mineral lattice in water. Which mineral is most susceptible to this?

47 Lichens contribute to weathering primarily by:

48 Which rock is known as the 'parent of all rocks'?

49 Stratification (layering) is a characteristic feature of which rock type?

50 Which equation correctly represents the chemical weathering of Orthoclase feldspar?