Vocabulary
What is the imaginary line that Earth rotates around?
What is the axis?
Which layer of Earth do we live on?
What is the crust?
Name the continent where the United States is located.
What is North America?
What is the spinning motion of Earth on its axis called?
What is rotation?
What percentage of Earth's surface is covered by water?
What is about 70%?
The movement of Earth around the Sun takes 365.25 days. What is this movement called?
What is revolution?
The theory that continents slowly move across Earth's surface is called what?
What is continental drift?
Which ocean is the largest?
What is the Pacific Ocean?
How long does it take Earth to rotate once on its axis?
What is 24 hours (or one day)?
What percentage of Earth's water is saltwater?
What is about 97%?
What is the process where water changes from a liquid to a gas?
What is evaporation?
Large pieces of Earth's crust that move slowly are called what?
What are tectonic plates?
Which continent contains the Amazon River?
What is South America?
What causes daily periods of daylight and darkness on Earth?
What is Earth's rotation?
Name the four main steps of the water cycle.
What are evaporation, condensation, precipitation, and runoff?
What is desalination?
What is the process of removing salt from saltwater to make it fresh?
What causes tectonic plates to move?
What is heat from deep within the planet?
Which continent did Jesus live in?
What is Asia?
The two times each year when day and night are of equal length are called what?
What are equinoxes?
What is runoff in the water cycle?
What is water that flows over land into rivers, lakes, oceans, or underground?
Name all four of Earth's physical subsystems.
What are the hydrosphere, atmosphere, biosphere, and geosphere?
Name the three main layers of Earth.
What are the crust, mantle, and core?
Name the continent where you would find Vatican City.
What is Europe?
What causes the seasons on Earth?
What is the tilt of Earth's axis as it revolves around the Sun?
Define condensation in the water cycle.
What is when water vapor cools and turns into liquid water?