Minerals

Humans dig many resources from the Earth. Rock and sand is used for building. Metal ores are dug to be converted into metals and coal is dug for fuel. In doing so we change the surface of the Earth. Which other processes change the natural landscape?

Fill in the blank with an appropriate option:

Coal is a _____(soft/hard) rock

Graphite is a soft rock.

The hardest rock is _____.

Write two uses of iron. 

Which stone was used to build the red fort? 

Rocks are made up of minerals. 

Sand is melted to produce iron. 

Glass is made from _____.  

Name the following.

Three useful minerals contained in granite.

Unscramble the following word to make a meaningful word.

ALCICTE

Unscramble the following word to make a meaningful word.

RAPGIHTE

Unscramble the following word to make a meaningful word:     
HASLE 

Name the following.
Two hard rocks.

Name the softest mineral.
(Clue: The name starts with the letter T)

Refer to the given word grid and answer the following.

Two minerals X and Y are given in the word grid. X is used for making P and Y is used for making Q. Find out the rocks X and Y and then select the option that correctly identifies P and Q.

Complete the series.

shale : slate :: ______ : quartzite

Give two examples of sedimentary rocks.

Choose the correct word from the following:
(hard, soft, brittle)
Diamond is a _____ rock.

Name the following:

Chemical substances which form rocks.