Centre of the Earth and Minerals Quiz

During their geography class, Midhansh, Nirmiti, Parees, Sarthak, and Stupika were discussing the three main layers of the Earth. What are the three main layers of the Earth?

• crust, mantle, and core

• rock, soil, and magma

• top, middle, and bottom

• surface, middle, and inner

Deven, Sarthak, Midhansh, Stupika, and Aadhya are on a mission to explore the Earth. Which layer of the Earth is made up of solid iron and nickel?

• Inner core

• Mantle

• Outer core

• Crust

During their geology field trip, Parees and Sarthak were discussing the different types of minerals. What are the two main types of minerals?

• Precious minerals and semi-precious minerals

• Silicate minerals and non-silicate minerals

• Hard minerals and soft minerals

• Metallic minerals and organic minerals

How are igneous rocks formed?

• From the evaporation of water

• From the solidification of molten rock material

• Through the cooling of volcanic gases

• By the compression of sedimentary rocks

During their geology class, Midhansh, Deven, Parees, Stupika, and Aadhya were learning about minerals. What are the physical properties used to identify minerals?

• Taste, smell, and sound

• Weight, volume, and shape

• Color, streak, luster, hardness, cleavage, fracture, and specific gravity

• Transparency, magnetism, and electrical conductivity

What is the most common use of quartz?

• Building cars

• Making paper

• Production of glass and ceramics

• Baking bread

How are sedimentary rocks formed?

• Erosion, evaporation, and crystallization of sediments

• Melting, cooling, and solidification of sediments

• Weathering, oxidation, and precipitation of sediments

• Deposition, compaction, and cementation of sediments

Stupika , Jaison and Deven are discussing the main uses of copper. What are the two main uses of copper?

• Electrical wiring and plumbing

• Cookware and jewelry

• Automobile manufacturing and construction

• Agricultural tools and medical equipment

What is the process of mineral formation through the evaporation of water called?

• erosion

• precipitation

• sublimation

• condensation

During a discussion on gemstones, Parees asked, 'What are the two main properties of diamonds?'. What would be the correct response?

• Softness and low melting point

• Flexibility and low thermal conductivity

• Transparency and low density

• Hardness and high refractive index