General Knowledge

Molten rock beneath the earth crust is called -

• Lava

• Volcano

• Magma

When rocks change in form as a result of heat or great pressure, they form -

• Igneous rock

• Metamorphic rock

• Sedimentary rock

Example of Igneous rock is -

• Limestone

• Graphite

• Basalt

When magma flows to the surface of the earth, it is called ---

• Weathering

• Erosion

• Lava

When lava cools and solidifies, it becomes -

• Change rock

• Igneous rock

• Metamorphic rock

Geologist that specialise in the study of rocks only are called --

• Geochemist

• Petrologist

• Cartography

All are examples of metamorphic rock except ?

• Marble

• Sand

• Graphite

Rocks serves as raw materials for making -

• Paper

• Chair

• Ornaments

In Nigeria, rocks like ---- attracts tourists

• Sand rock

• Marble rock

• Olumo rocks

Example of fossil is ---