Oceans & Seas
Rivers of Water
Rivers of Ice
Lakes, Wetlands & Aquifers
Earth's Layers
100
The largest ocean.
What is the Pacific Ocean?
100
A large, flowing stream that empties into larger bodies of water.
What is a river?
100
They are often called "rivers of ice".
What are glaciers?
100
These are created my glaciers, natural depressions in the earth, valleys in mountain ranges, volcanic craters, meteorites or river.
What are lakes?
100
The layer of the earth that is closest to the surface.
What is the crust?
200
The 3 major characteristics of oceans
What are salinity, currents and tides?
200
Underground rivers are formed when water finds a way through this.
What is permeable rock?
200
Alpine and Continental
What are the two main types of glaciers?
200
These exist where the natural level of the water in the ground is so high that any low lying area naturally becomes saturated with water.
What are wetlands?
200
This layer consists of an upper and lower part.
What is the mantle?
300
This is the main reason oceans have more salt than fresh water lakes.
What is the Water Cycle?
300
This affects the drainage pattern of a river.
What is the slope of the land?
300
These are formed in the mountains.
What are Alpine Glaciers?
300
These are relatively free of pollutants and organisms.
What are aquifers?
300
The layer that makes up 1/3 of the earth's mass.
What is the inner core?
400
Deep water currents that are produced by differences in temperature and salinity.
What are Thermohaline currents?
400
The continent with the two longest rivers.
What is South America?
400
A pile of glacial rock and soil rubble that appears at the end and sides of the snout.
What is a moraine?
400
This restricts what can grow in a wetland.
What is saturation?
400
The names of the layers from outermost to innermost.
What are the crust, upper mantle, lower mantle, outer core and inner core.
500
The rising and falling of water levels in the ocean caused by gravitation between the earth and orbiting bodies.
What are tides?
500
Dendritic, Radial, Trellis, Rectangular, and Centripetal.
What are the 5 drainage patterns of a river?
500
Granular snow on the upper part of the glacier, where it has not yet been compressed to ice.
What is a firn?
500
The 3 distinct types of wetlands.
What are swamps, bogs and marshes?
500
The two types of tectonic plates that make up the crust.
What are oceanic and continental plates?
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