Solar System
What causes Earth's day/night cycle?
Rotation
What are small streams that feed into larger rivers?
Tributaries
What is the atmosphere layer closet to Earth's surface?
Troposphere
Water molecules 'sticking' to other water molecules is what property?
Cohesion
The moisture in the air is called what?
The hemisphere leaning towards the sun is in what season?
Summer
The boundary around a watershed is called what?
Divide
In the Troposphere, as altitude decreases the temperature ______.
Increases
What is the phase change called when water vapor turns into liquid water?
Codensation
What are the 3 main forms of Fossil Fuels?
Coal, Petroleum (Gas), and Natural Gas
What is the force that keeps planets in motion around the Sun?
What is the land that can be covered with water during varies parts of the year?
Wetland
This is the coldest layer of the atmosphere and where meteors will burn up to create shooting stars.
Mesosphere
What is the process of water moving through the ground called?
Percolation
Rain clouds are which type of cloud?
Nimbus
What are the four Inner Rocky Planets?
Mercury, Venus, Earth, and Mars
What is the body of water that combines the freshwater from rivers and the saltwater from the ocean?
Estuary
This layer is composed mainly of individual molecules, oxygen or nitrogen, rather than compounds.
Thermosphere.
Transpiration
What helps protect Earth from the ultraviolet radiation from the sun?
Ozone (O3)
What causes high and low tides on Earth's oceans?
Gravitational pull from the moon and Sun.
Which watershed is the largest in the United States?
Mississippi River Watershed
What is the abundant element in the atmosphere?
Nitrogen
Why do water molecules attract to one another?
Slightly positive and slightly negative ends.
Who discovered that the Sun is the center of the universe?
Copernicus