Space
The study of stars, planets, and other objects in space
What is astronomy?
A break in the rock that makes up Earth's crust
What is a fault?
The largest ocean on Earth
What is the Pacific Ocean?
The source of energy that warms Earth's atmosphere
What is the Sun?
The force that keeps the moon in orbit around the Earth
What is gravity?
Earth's layers of earth are ______ (in order)
what are the crust, mantle, outer core, & inner core
About __________ percent of Earth's surface is coverd in water.
What is 75%
The major gas driving the greenhouse effect.
What is Carbon Dioxide (CO2)?
Average distance from the Earth to the Sun.
What is an Astronomical Unit (AU)?
The three categories of rocks.
What are Sedimentary, Igneous, & Metamorphic
Water vapor becoming clouds of liquid water droplets in the atmosphere
What is Condensation?
The two most common gases in the Earth's atmosphere.
What are nitrogen & oxygen?
A collection of hundreds of billions of stars, held together by gravity.
What is a galaxy?
When weathered rock is picked up and moved
What is erosion?
Causes vertical currents in the ocean
What is density?
Materials formed from the remains of ancient organisms and used today as a major source of energy
What are fossil fuels?
Caused by changing angle of sunlight due to tilt of Earth's axis.
What are seasons?
A theory that explains volcanoes, earthquakes, seafloor spreading.
What is the theory of Plate Tectonics?
All of the land that drains runoff into the same river.
What is a watershed?
The layer of atmosphere closest to Earth's surface.
What is the Troposphere?