Importance of Oceans — Geography STD 6 — Question

When the molten material, known as magma within the crust and lava on the surface, cools down, it solidifies giving rise to ____ rocks. (Sedimentary, Igneous, Metamorphic)

A miniature model of the earth is called a _____.(ball, globe, sphere)

The air that has greater amount of vapour is called _____ air. (dry, hot, humid)

The location of any place on the earth is determined with reference to the ______ of the earth. (poles, circle, centre)

Air temperature is measured in _______ (Celsius, Fahrenheit, Grams)

High quality coal is used in ________.(geo-thermal power stations, thermal power stations, hydel power stations)

Salt as a substance is obtained by constructing ______. (sea bed, salt pan, river bunds)

The freezing point of mercury is _______°C. (-39, -49, -59)

________ is conducted on a much higher scale as compared to the other modes of transport. (Water transport, Air transport, Road transport)

______ is known as the smallest country in the world.