Show:
Weathering and Erosion
Volcanoes
Earthquakes
Floods
Landslides
100
What is one cause of erosion
wind, moving water, run-off, rivers, ocean waves
100
Melted rock beneath the earth is called _____.
magma
100
Earthquakes happen along a crack called a _____.
fault
100
What is a flood?
When water rises adn overflows.
100
What is a landslide?
When rocks on a hill suddenly slide down the side of teh hill.
200
What is weathering
The process that breaks rocks into smaller pieces
200
When magma comes out of Earth and onto its surface it's called _______.
Lava
200
Earthquakes occur when _____ builds up and Earth's crust slips.
pressure
200
What can cause a flood?
Hurricane, large storms, long periods of rain.
200
What can cause a landslide?
Rain. Rain soaks the ground and rocks and soil become loose.
300
What is the process called when wind or water flows over rock surfaces and small rocks scrape and wear away surfaces.
Abrasion
300
How can volcanoes change Earth's surface?
Form new land.
300
Can scientists predict earthquakes?
no
300
What is periodic flooding?
Flooding that occurs the same time every year.
300
What damages can a landslide cause?
Down buildings, trees, and cars.