Rocks

What is the name of the liquid rock in the mantle?

• Molten rock

• Molten magma

• Lava

• Igneous magma

What process does it suffer magma when it moves to the crust

• evaporates

• changes colour

• freezes

• crystallizes

Volcanic rocks...

• cool down fast, crystals are small

• cool down slow, crystals are big

• cool down fast, crystals are big

• cool down slow, crystals are small

Granite...

• is a sedimentary rock

• is a plutonic rock

• is a metamorphic rock

• is a volcanic rock

What is rock composition?

• water

• pressure and heat

• minerals

• rocks

Which type of rock has layers?

• sedimentary rocks

• metamorphic rocks

• igneous rocks

Sandstone is a...

• sedimentary rock

• igneous rock

• metamorphic rock

Metamorphic rocks come from

• other rocks changed by heat and pressure

• fragments from eroded rocks

• sediments

• lava or molten magma

Sedimentary rocks have

• 2 types: foliated and non foliated

• 2 types: intrusive and extrusive

• 2 types: clastic and non clastic

Coal is ...

• a sedimentary rock

• an igneous rock

• a metamorphic rock

• not a rock