Available Answers

1. 1.

   Who am I?

   1. I am the hard matter that makes up the earth, _ O _ _ _
   2. I am used to make pencils, _ _ _ P _ _ _ _
   3. The buildings such as Red Fort are made of me, _ _ N _ _ _ O _ _
   4. I am found in layers, _ H _ _ _
2. 2.

   Match the following:

   Column I	Column II
   1. Igneous Rocks	(a) Qutub Minar
   2. Sandstone	(b) Formed from limestone
   3. Marble	(c) Jewellery and ornaments
   4. Obsidian	(d) Formed form volcanic eruptions

    

3. 3.

   Unscramble the given words, using the hint given.

   1. LCAO - Used in steam engines.
   2. MGPYUS - A non-metallic mineral.
   3. ROPEPC - Used in making wires.
   4. SERO - Contain metallic minerals.
4. 4.

   Multiple choice Questions.

   1. Which of the following are metallic minerals?
      1. Calcite and gypsum
      2. Feldspar and mica
      3. Gold and silver
      4. None of the above
   2. Which of the following is a type of igneous rock?
      1. Marble
      2. Conglomerate
      3. Gneiss
      4. Obsidian
   3. Coal and petroleum are
      1. metallic minerals
      2. non-metallic minerals
      3. igneous rocks
      4. none of the above
   4. Gneiss has a stripped look due to the presence of
      1. different minerals
      2. mud and clay
      3. remain of plants and animals
      4. none of the above
   5. Quartzite is formed from
      1. shale
      2. limestone
      3. sandstone
      4. none of the above
5. 5.

   Fill in the blanks.

   1. Shale is made up of __________ and __________.
   2. Coal and petroleum are __________ fuels.
   3. The magma that reaches the surface of the earth is called __________.
   4. The minerals present in limestone is __________.
   5. The __________ in India is a fine example of the use of white marble.
6. 6.

   Write 'T' for true and 'F' for false.

   1. Sedimentary rocks are always formed in layers.
   2. Gneiss is formed form granite.
   3. The Red Fort in Delhi is made form marble.
   4. Pumice is the only rock that can float.
   5. Wind and solar energy are alternative sources of energy.