a gas fuel from the ground
natural gas
natural oil
rocks with metals
ores
gemstones
black, liquid fuel from the ground
coal
oil
a diagram that shows things in order using arrows
flow chart
drawing
materials used for burning
fuel
fossil
found in wood, diamond, coal
oxygen
carbon
liquid fuel for lorries
petrol
diesel
a strong metal used to make steel
gold
iron
aluminium
a light and shiny metal
silver
aluminium
iron
liquid fuel for cars
coal
diesel
increase of the Earth’s average temperature
global warming
global cooling
heating/melting to take metals from ores
smoldering
smelting