Landforms & Seasons
Weather over a long period of time
climate
large, continuous masses of land are called _________
continents
What % of Earth's water is saltwater?
97%
How long does it take for Earth to rotate one time on its axis?
24 hours
Process where Earth's pieces are worn down
This is when day and night are equal in both hemispheres
equinox
What causes tectonic plates to move?
heat from Earth's surface
What % of Earth's water is freshwater?
3%
Which gas makes up the MOST percentage of our atmosphere?
nitrogen
erosion
How many climate zones did we talk about in class?
6
Giant ocean wave caused by tectonic movement
tsunami
Give 3 of the steps of the water cycle we talked about in class
precipitation, collection/transformation, evaporation, condensation
Why do we have leap years?
365 1/4 days is how long it takes for the Earth to revolve around the sun
A flat area above surrounding land
plateau
This is the term for beginning of a season
solstice
Exactly how many tectonic plates are there?
16
Give 2 benefits of water to people
food/drink, work, transportation
Name the 4 layers of the Earth
mantle, crust, inner core, outer core
A long, narrow, steep-sided cut in the ocean floor
ocean trench
Name the 5 major oceans
Indian, Atlantic, Pacific, Southern, Arctic
Exactly how many miles does the Ring of Fire cover?
24,000
This is the process where saltwater is cleaned and ready to drink
desalinization
Name the 4 spheres of the Earth
Biosphere, hydrosphere, lithosphere, atmosphere
A narrow strip of land that connects two larger land areas
isthmus