1) Which rock is formed when magma erupts onto the earth's surface as lava. a) Basalt b) Granite c) Sandstone d) Limestone 2) Which rock has large crystals, due to slow cooling? a) Sandstone b) Granite c) Basalt 3) Which rock is black in colour, is impermeable and fine grained in texture? a) Limestone b) Granite c) Basalt 4) Which rock family is formed from sediments deposited on the sea bed in layers over millions of years? a) Metamorphic b) Igneous c) Sedimentary 5) Which rock is an organic sedimentary rock? why? a) Sandstone b) Limestone c) Granite d) Basalt 6) Which rock is light brown in colour, with small grains and is permeable? a) Limestone b) Sandstone 7) What are fossils? a) The remains or traces of once living plants and animals b) Layered permeable rocks c) Rocks formed through heat and pressure 8) which layer of the earth is solid and composed of iron and nickel? a) inner core b) outer core c) mantle d) crust

rocks

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