Page 224 - New Medley 5 Semester 2

B. Write True or False.

1. e Red Fort in Delhi is made of red marble.

2. Limestone rocks are made up of calcite mineral.

3. Coal is formed from the dead remains of animals buried in the earth.
4. Wind, water and the sun are alternative sources of energy.

C. Answer these questions.
1. What are igneous rocks? How are they formed?

2. How are metamorphic rocks formed?

3. Name the ve varieties of sedimentary rocks giving one property of each.

4. What are minerals? Give two examples.
5. How was coal formed?

D. Classify the following into igneous, sedimentary and metamorphic rocks.

Limestone, Gneiss, Marble, Sandstone, Shale, Pumice,
• Analysing
Conglomerate, Obsidian, Slate, Gypsum, Granite

Igneous rocks Sedimentary rocks Metamorphic rocks

Think and Answer • Critical Thinking

1. Granite is used for making long-lasting buildings and statues. Why?

2. Why does pumice stone oat on water?

Let Us Do • Life Skills

Visit the famous monuments in your city and nd out from what type of rock they

have been constructed.

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