meterials of the earth’s crust- types of rocks grade 7

Transformation from coal to diamond explains which type of rock formation?

• Igneous

• Metamorphic

• Sedimentary

Fossils are found in this type of rock-

• Igneous

• Metamorphic

• Sedimentary

These rocks are made up of crystals-

• Igneous

• Metamorphic

• Sedimentary

The slow squeezing of sediments to form hard rocks is called-

A material that helps in the binding together of compacted sediment-

• Magnesium

• Iron

• Manganese

• Copper

Metamorphosis comes from two Greek words which mean-

• Stationary

• Hybrid

• To change

• Complex

Which of the following are examples of igneous rocks- (choose any two)

• Basalt

• Slate

• Sandstone

• Granite

Gems and precious stones are found in -

• Metamorphic rocks

• Igneous rocks

• Sedimentary rocks

Which of the following is an extrusive igneous rock-

• Granite

• Silt

• Obsidian

• Clay

These rocks make up 85% or more of the earth’s surface-

• Sedimentary

• Igneous

• Metamorphic