Earth's Water System
What is a moving river of ice?
A glacier
What are rocks made up of?
Minerals
Why would scientists use images from satellites?
They use them to study and predict the weather, forecasting
What does a curator do?
Northern and Southern Hemisphere
Why do glaciers move?
Pressure from ice and snow at the top pushes the bottom
Where are volcanoes?
On land and on the ocean floor, along fault lines between continental plates
What is the difference between climate and weather?
What is the difference between endangered and extinct?
Endangered is facing the threat of extiction
What is a moon that has a small sliver of light (a small part is light)
crescent moon
What forms when sediment is deposited at the mouth of a river?
A delta
What causes landslides?
Earthquakes, volcanoes, heavy rain, human activity like cutting down trees
What are important factors in determining climate?
Latitude, distance from water, temperature, rainfall
What are the problems with deforestation?
Trees provide oxygen and animal habitats, trees stop erosion
Which moon has mostly white (almost all light)?
gibbous
How much of the Earth's water is salt water?
97%
What is a hot spot?
A place where molten rock from deep within the Earth comes out
What is another way to describe different climates?
We can describe them with the different plants and vegetation that live there.
What are some kinds of renewable resources we can use?
Solar power, hydro power, wind power
When are the Equinoxes and Solstices?
March 22, June 22, September 22, December 22
What do glaciers do as they move?
They carve new channels or canyons and deposit rocks along the way
How are fault-block and folded mountains different?
Folded = plates are pushed together
Fault-block= plates move past each other
What is the difference between a tornado and a hurricane?
A tornado is shorter and smaller than a hurricane
What happens because of overfishing?
The population of fish decreases, preventing future seasons from having enough fish and destroying the balance of the ocean's ecosystem
Why do the Northern and Southern Hemispheres have different seasons?
They are titled towards or away from the Sun