True or False?
True or False: Some animals that live in the ocean have fur or hair.
True, mammals such as seals, sea otters, walruses, dolphins and whales have fur and live in the ocean.
Name this song: "The seaweed is always greener, in somebody else's lake. You dream about going up there, but that is a big mistake. Just look at the world around you, right here on the ocean floor. Such wonderful things surround you, what more is you looking for?"
Under the sea.
Which countries are found on the border of the Great Lakes?
Canada and the USA.
Most of the world's largest cities are located near _________.
Rivers.
Oceans cover roughly what percent of the Earth's surface? 50%, 70%, or 80%?
70%.
True or False: The Willamette River feeds into the Atlantic Ocean.
False, the Willamette River feeds into the Columbia River which eventually leads to the Pacific Ocean.
Where is the world's longest mountain range located?
Underwater! The mid-ocean ridge is located in the western Atlantic ocean and extends for more than 40,000 miles.
Are lakes typically found at higher elevations or lower elevations?
Lower.
What is erosion?
Water removes rocks and minerals and carries them away over time as the river flows.
Several people and ships have gone missing in the Atlantic Ocean/Caribbean Sea. What is this mysterious area called?
The Bermuda Triangle.
True or False: The Great Salt Lake in Utah is saltier than the ocean.
True, the ocean contains roughly 3.5% salt while the Great Salt Lake ranges from 5-27% salt.
Underwater exploration is really just beginning. How much of the "underwater world" have we explored? Less than 5%, less than 10% or less than 25%?
Less than 5%.
Daily Double! Roughly how many lakes are there in the world? Hundreds, thousands or millions?
Millions. There are roughly 117 million lakes in the world.
In which part of a river does water flow the fastest? Upper course (near the start of the river), middle course (in the middle) or lower course (end of the river)?
Upper course, since rivers usually start at higher elevations and flow downhill, they move the fastest at the beginning where there is the greatest amount of incline.
There are several volcanoes on several islands in the Pacific Ocean. This area is called _______________.
The Ring of Fire.
True or False: There are 6 oceans in the world.
False, there are only 5: Arctic, Antarctic, Atlantic, Indian and Pacific.
What is a stream that starts underground typically called?
A spring.
Not including oceans, lakes hold what percent of the Earth's water? 50%, 75%, or 90%?
90%.
What is a smaller stream that feeds into a river called?
A tributary.
Sometimes a river will flow directly to an ocean. What is the term for where the ocean and river meet?
Estuary.
True or False: Some lakes are formed by volcanoes.
True. After volcanoes erupt, water or ice can fill in the top creating a lake. Another way volcanoes can create a lake is that lava can explode when it meets cold water and create craters in the land, which can eventually collect rainwater and form a lake.
The largest, non-subglacial lake in the world is located on which continent? North America, Africa or Asia?
Africa in Namibia.
Which "sea" is actually the world's largest lake?
The Caspian Sea.
Deposition means rivers tend to do "what" to rocks and soil?
Move and deposit rocks and soil as they flow.
Daily Double! What is a lagoon?
An area of shallow water separated from the ocean by a coral reef, sandbar or other natural barrier.