Share Sccience Grade 2 Earth's processes
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What is a tsunami?
A huge wave
Name 3 slow changes of Earth.
weathering, erosion, deposition
Name 3 quick changes of Earth
Earthquake, tsunami, flood
What is lava?
Lava comes out of volcano when it erupts
What do we call the sudden shaking of the ground?
Earthquake
What do we call a hole at the top of the volcano?
a crater
A flood is a large amount of water that coveres land not ....
usually covered by water
What are the reasons of a landslide?
heavy rains, cutting down the treees
What is the difference between a dike and a levee?
A dike holds back sea/ocean water
What is erosion?
Water takes pieces of rocks, sand and soil and carriesr it to a new place
Can wind cause erosion?
Yes
What do we call a process? Water or wind drops pieces of rock, sand and soil at a new place
Deposition
What do we call the process of breaking of rocks?
Weathering
How do people protect their fields from erosion?
People build windbreaks, leveees, walls of rocks
What do we see after the earthquake?
Houses are destroyed, cracks in the ground
How do people change land?
They build roads, houses, tunnels ...
