Fast Earth changes

Once per year

Every decade

Slowly

Over long and short periods of time

Tsunamis, earthquakes, landslides and volcanoes

Erosion and deposition

Day time and Night time

Moving mud down the slopes and covering the area.

Making the ground sticky.

They don't effect the Earth's surface

Bringing energy from an earthquake underground to the surface.

Making the tide ride a little.

Water slowly coming onto the surface over a long time.

Fast

Slow

Destroying land around it.

Creating new islands .

By costal erosion

Answer 1 and 2 : Both destroying and creating land .