What's the name of this mining machine?
loader
Slate is used for _____.
tools
Gemstones, like _____ and _______ are rare and use for jewellery.
diamonds and rubies
______ is used for decoration as well as floors and walls.
marble
________ uses a deep hold to extract gases or liquids from inside the crust
drilling
Bricks are made of _____ that harden in an oven.
clay
What are the three different ways materials can be extracted?
open-pit mines, underground mines, or drilling
coal, oil and natural gas are ____ that are extracted from _____.
fuel, rocks
Blocks of hard rock such as _____ or _______ have always been used in construction
granite or limestone
Glass is made by _____ the grains of ____ in sand to a very high temperature
heating, rock
fossil fuels are formed from the ______ of plants and animals.
remains
Nuclear energy uses a substance called ______ that is extracted from uraninite.
uranium
Metals, like iron or gold, are made from minerals called _____ ____.
metal ore
_____ is combination of iron and other metals
steel
_____ _______ are used for materials that are near the surface of the crust.
open-pit mines
______ is made by mixing clay with ______ and baking the mixture.
Cement, limestone
_____ _____ generates electricity by using a substance called uranium
nuclear energy
_______ ____ use shafts and tunnels to extract materials from deep inside the crust.
underground mines
coal, oil, and natural gas are known as ____ _____.
fossil fuels
An area with a large amount of one material is called a ______.
deposit