Available Answers

1. 1.

   Fill in the blank.

   1. Granite is an example of _____________ rocks.
   2. A category of rock which is formed by the alteration of the parent rock due to extreme heat and _____________ pressure is called
   3. Conglomerate is an example of _____________ rocks.
   4. Sedimentary rocks are formed from _____________ accumulated over long periods.
   5. Sedimentary rocks such as limestone change into _____________.
2. 2.

   Write True or False. Rewrite the false statements correctly.

   1. Minerals are organic substances.
   2. Basalt is an example of an intrusive igneous rock.
   3. Sedimentary rocks are formed by the cooling and solidification of molten rock called magma.
   4. Igneous and sedimentary rocks can change into metamorphic rocks.
   5. Rocks are used in construction industries.
3. 3.

   What is crust?

4. 4.

   Differentiate between SIAL and SIMA.

5. 5.

   State two characteristics of the mantle.

6. 6.

   What is the difference between the inner and the outer core?