Question

1. Name the different types of rocks
2 What are rocks made of?
3 What are minerals ? Give two examples of minerals.
4. Name the sources of energy alternative to fossil fuels. 5. What are ores?​

Answer 1

(1) There are three kinds of rock: igneous, sedimentary, and metamorphic.

(2) Rocks are composed primarily of grains of minerals, which are crystalline solids formed from atoms chemical bonded into an orderly structure. Some rocks also contain mineraloids, which are rigid, mineral-like substances, such as volcanic glass, that lacks crystalline structure

(3) Examples of minerals are feldspar, quartz, mica, halite, calcite, and amphibole. Examples of rocks are granite, basalt, sandstone, limestone, and schist.

(4)

Hydrogen Gas. Unlike other forms of natural gas, hydrogen is a completely clean burning fuel

Tidal Energy

Biomass Energy

Wind Energy

Geothermal Power

Natural Gas

(5) rock or earth from which metal can be taken.

Answer 2

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1) There are three kinds of rock: igneous, sedimentary, and metamorphic

2) Rocks are composed primarily of grains of minerals, which are crystalline solids formed from atoms chemical bonded into an orderly structure. Some rocks also contain mineraloids, which are rigid, mineral-like substances, such as volcanic glass, that lacks crystalline structure.

3) A mineral is a naturally occurring inorganic solid, with a definite chemical composition, and an ordered atomic arrangement. This may seem a bit of a mouthful, but if you break it down it becomes simpler. Minerals are naturally occurring. They are not made by humans.

Examples of minerals are feldspar, quartz, mica, halite, calcite, and amphibole.

4) The main alternatives to oil and gas energy include nuclear power, solar power, ethanol, and wind power.

5) Ore is a deposit in Earth's crust of one or more valuable minerals. The most valuable ore deposits contain metals crucial to industry and trade, like copper, gold, and iron.