Preguntas sobre Rocas y Minerales

What is the main difference between a rock and a mineral?

• Rocks are shiny, minerals are opaque

• Rocks are made of minerals

• Minerals are made of rocks

• Rocks are always black

Which of these is a sedimentary rock?

• Basalt

• Slate

• Marble

• Granite

What type of rock is formed from the cooling of lava?

• Sedimentary

• Metamorphic

• Igneous

• Fossil

What process converts sediment into sedimentary rock?

• Melting

• Cooling

• Compaction and cementation

• Erosion

What are the two factors that cause rocks to become metamorphic?

• Water and wind

• Heat and pressure

• Melting and freezing

• Light and darkness

What is magma?

• Frozen water

• Molten rock underground

• Hard rock in volcanoes

• A type of mineral

What tool is used to closely observe mineral samples?

• Microscope

• Broom

• Ruler

• Hammer

What is shaft mining?

• River mining

• Digging a deep vertical tunnel

• Exploiting mountains

• Searching from helicopters

Which of these is NOT a step in the rock cycle?

• Compaction

• Freezing

• Melting

• Cooling

Why do we analyze rocks before mining?

• To check their color

• To see if they are beautiful

• To know if they contain useful minerals

• To play with them