The highest mountain
Mt Everest
The Amazon River
South America
a large amount of snow that quickly moves down a slope
avalanche
a sudden violent shaking of the ground
earthquake
World's biggest canyon
Grand Canyon
Mt St Hellens
The USA
cutting down of forests
deforestation
a deadly ocean wave
tsunami
The longest river
The Nile
The Grand Canyon
The USA
when magma is released from a volcano
volcanic eruption
when large numbers of people cannot get enough food for long periods of time
famine
The biggest volcano in Europe
Mt Etna
Petra
Jordan
shortage of rain
drought
an uncontrolled fire that burns in a forest, grassland, or other sparsely populated area
wildfire
The biggest waterfall
Angel Falls
Machu Picchu
Peru
When water overflows onto dry land
flood
a large amount of earth, rock, and other material that moves down a steep slope
landslide