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Earth Facts

Teacher: Severson
Across
These are broken up by the Earth's atmosphere.
Earth's name is associated with this goddess.
Investigators rely mostly on these type measurements to explore the interior of the Earth.
Earth's rank in terms of size and mass.
Earth's only satellite.
Lowest Point on Earth.
Percentage of Earth's surface that is continents and islands.
By the 20th century most of this part of the Earth had been explored.
The perfect place for life.
This peninsula between the Panama Canal and Columbia was one of the last surface areas to be mapped.
Cover about 70% of the Earth's surface.
Down
This part of the Earth is much harder to explore.
Highest point on Earth.
Composed mainly of nitrogen, oxygen, argon and carbon dioxide.
Takes about 8 minutes and 19 seconds for this to travel from the Sun to Earth.
Earth is the largest of this type of planet.
These survive the Earth's atmosphere and strike the surface.
Average temperature (in degrees) of the Earth's surface.
Takes the Earth 365 days to orbit.
Earth's orbit is one the most _____ in the Solar System.