Physical Drivers
How many physical drivers are there?
5 physical drivers
A natural process that can hurt people or damage places.
Natural Hazard
Rock breaks into smaller pieces.
Weathering
Broken pieces of rock and soil move to a new place.
Erosion
The distance from one crest to the next crest.
Wavelength
Moving air that can push sand, break trees, and make waves.
Wind
A spinning column of very strong wind that touches the ground.
Tornado
In which state of mater water cracks a rock and makes the crack bigger.
Solid (ice)
Which type of sediment does wind blows this away from beaches and deserts?
Sand
Giant pieces that move very slowly underneath the Earth.
Tectonic plates
Hot, melted rock that comes out of a volcano.
Lava
Rocks and soil fall quickly down a hill.
Landslide
These living things grow roots into cracks and break rocks.
Plants
This force pulls rocks and soil down a hill.
Gravity
Too much rain falls. A river gets too full and water covers the land around it.
Flood
Earth moves suddenly. This driver causes earthquakes.
Ground shaking
A storm with lightning, thunder, and heavy rain.
Thunderstorm
Ice and plant roots break rock in this way: fast or slow?
Slow, after many years
Rain, rivers, and waves carry pieces of land away. They are all made of this.
Water
Waves in deep water do not move things forward. Waves can move things near this place.
Shore
These TWO drivers work together in a tsunami.
Strong winds and high waves from this hazard broke a road in Acadia National Park.
Coastal storm
Weathering ______ rock. Erosion ______ the pieces.
Breaks and moves
How steep a hill is. Not flat land, one end is higher than the other.
Slope
Water or wind drops sand and soil in a new place. This is:
Deposit