Geography Monthly Quiz grade 7

___are made up of grains of minerals.

• Soil

• Minerals

• Rocks

• None of these

The chalk that is used for writing on chalkboards is made from the mineral ___

• Chalk

• Gypsum

• Limestone

• None of these

Geologist have classified rocks in ___ main groups.

• 3

• 4

• 5

• 6

These are volcanic rocks formed when hot molten magma cools down after escaping to the surface of the earth.

• Metamorphic rocks

• Sedimentary rocks

• Igneous rocks

• All of these

This is a sedimentary rock formed when lava is thrown out of a volcanic explosion

• Slate

• Diamond

• Marble

• Pumice

Grains of ___ rocks are rounded and have spaces between them through which water can seep through.

• Porous rocks

• Impermeable rocks

• Non-porous rocks

• All rocks

Limestone,sandstone, salt and coal are examples of ___ rocks.

• Sedimentary rocks

• Metamorphic rocks

• Igneous rocks

• None of these

___ is soluble in weak acids and even in water.

• Coal

• Limestone

• Marble

• All of these

___ are made up of carbon

• Slate

• Quartz

• Shale

• Diamond

Water drips into the caverns and evaporates. It leaves some deposits of minerals on the floor of the rock that forms____.

• Stalactite

• Stalagmite

• Pillar

• All of these