Water and wind can break rock into small pieces. What happens to these small pieces when they break away?
Plants use them for energy
They become part of the soil
They become food for animals
They turn into earthworms
Observe the figure given below.
The lead in pencil is made of:
graphite
granite
sandstone
coal
Which of the following rocks is soft, yellow or red in colour rock?
Marble
Granite
Sandstone
Graphite
Which of the following minerals is used to cut glass?
Gypsum
Diamond
Gemstone
Which the following pairs is correct?
Pencil lead - Silica
Mirror - Talc
Pot - China clay
Talcum powder - Graphite
Pots and sculptures are made of:
chalk
clay
slate
Look at the figure given below and identify the mineral.
Limestone
Which of the following is hard, reddish and rough rock?
Slate
All rocks are made up of:
water
gases
minerals
soil
Which of the following is NOT correct about diamond?
It is glassy in colour
It can be used for cutting glass
It is used for making jewellery
None of the above