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Fast Land Changes (3)What is a flood?(When does a flood happen?) (a…
Fast Land Changes
3)What is a flood?(When does a flood happen?)
happens: too much rain/ a stream or river- overflow-flood
a hurricane
a lot of winds and rain
every rainy season(in some parts of world)
Effects: bring rich soil
helpful for plant growth
2) What is a volcano?
an opening in the crust
melted rock, ash, gases
melted rock - magma (in mantle)
reaches the surface(lava)
flows down - cools - hardens(turns into rock)
hills or islands
Most - not active(inactive or dormant)
But: important- brings rich soil
good for crops to grow
Combined with earthquakes - tsunami
a big wave that is dangerous/harmful(floods the surrounding areas)
1) What is an earthquake?
Three Layers of the Earth
Core(center) 2. Mantle(Middle Layer) 3. Crust(Outermost layer)
Crust - different plates
Tectonic Plates
underneath continents and oceans
push against each other slowly
slip
an earthquake
land shakes/ ground breaks down(cause~to~)
sometimes-landslides
large pieces of land break off/slide down hills
4) What are wildfires?
a large fire(countryside/wilderness)
by people
naturally
many animals: x homes
after: bring rich soil
new plants/animals - grow/move back