Destructive Processes
What is the breaking down of rock into smaller pieces known as?
Weathering
What is the name of the process that drops rock particles in new places?
deposition
Give me one way that humans can control floods.
dams, levees, storm drains
When earthquakes occur under water, it causes a huge wave of water. What is the name of this huge wave?
tsunami
A _______________________ prevents flooding during heavy rainstorms and can often be seen on the sides of streets.
storm drain
What is the name of the force that pulls pieces of rock downhill?
Gravity
Which landform is deposited by a glacier?
moraine
What is the name of the way farmers plant their crops in order to prevent soil erosion?
contour plowing
What is the difference between lava and magma?
Magma is inside of the volcano. Lava is when it has reached the earth's surface.
A tool that is used to measure the strength of an earthquake is known as a ________.
seismograph
What is the sudden movement of rocks and soil down the side of the hill known as?
landslide
Which landform is formed at the mouth of a river when the sand is deposited?
delta
What is the name of the method farmers use to prevent soil erosion by farming in ridges on slopes or mountains?
terracing
An earthquake is caused by a crack in the earth's crust known as a ________.
fault
Name the 4 layers of earth.
crust, mantle, inner core, and outer core
What is the shaking of the ground that happens when rocks break and move suddenly known as?
What is the name of melted rock that has reached the earth's surface?
lava
The process of adding sand back to the beaches after it has been eroded is known as what?
beach nourishment
What is the name of the scientist who studies earthquakes?
seismologists
In which state of the United States would an earthquake most likely occur?
California
erosion
What is the name of the hill of sand that is deposited by wind?
sand dune
What is the difference between a dam and a levee?
a dam can be opened to release water
Is a volcano a constructive or destructive process?
both
The earth has many ______ that move toward, past, or against each other.
tectonic plates