What are 2 structures people build to control wave erosion?
Sea walls and groynes
100
What is an overflow of water onto land that is most often dry?
Flood
100
What is the name of the device that records the vibrations produces by the changing along fault lines?
Seismograph
100
The spinning of Earth on its axis is called?
Rotation
100
What is the name of the vertical belt extending from Earth's North Pole to its south Pole in which all locations have the same time?
Standard time zones
200
What are structures people build to control flooding?
Dams and storm drains
200
Floodplain
What is the flat land that borders a river and is formed of sediment deposited by repetitive floods called?
200
True or False: Scientists can always predict and earthquake.
False
200
The imaginary line that passes through the center of the earth from the North Pole to the South Pole...
Axis
200
How many time zones are there?
24
300
What is the process of importing sand from one location and placing it in another to prevent wave erosion called?
Beach Nourishment
300
How are floods a constructive process?
Floods are constructive processes because they construct new land by depositing sediment in new places to create floodplains (fertile land near flood prone areas that is great for planting crops).
300
Two ways to prevent the damage caused by earthquakes are...
1. constructing buildings away from fault lines
2. creating buildings out of earthquake resistant materials
300
What is the cause of daytime and nighttime?
Earth's rotation
300
What is the name of the zero degree reference line from which time is calculated?
Prime Meridian
400
Farmers attempt to prevent soil erosion by adding ____________, a covering such as straw, manure, or dead leaves.
Mulch
400
What are 2 ways people attempt to control flooding?
dams and storm drains
400
DAILY DOUBLE!!!
Three things scientists monitor to predict volcano eruptions?
1. Elevation and tilt caused by the movement of magma down below.
2. Gases released by the volcano.
3. Rise in temperature of underground water near volcanoes.
400
It is __________ on the side of the Earth facing the sun, and ___________ on the side of the Earth facing away from the sun.
daytime, and nighttime
400
How many time zones are in the United States?
6 time zones
500
Horizontal areas of land built on a slope where plants are grown.
Terraces
500
How are storm drains managed?
Through regular cleaning and removal of debris
500
Below ground molten rock is called ___________, above ground it is called ___________________.
Magma, Lava
500
One complete rotation takes ?
24 hours or 1 day
500
Fill in the blanks
1. Move by one time zone east (to the right) the time is one hour ______________.
2. Moving by one hour west (to the left) the time is one hour _____________.