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2. JumpStart Adventures 6th Grade: Mission Earthquest - Wikipedia

   en.wikipedia.org/wiki/JumpStart_Adventures_6th...

   Single-player. JumpStart Adventures 6th Grade: Mission Earthquest is a game created by Knowledge Adventure in the JumpStart series. In this game A.R.T., a computer with artificial intelligence, has gone haywire, and now wants to "redesign the chaotic system that is Earth ". Zack and Jess, twin brother and sister agents of Earthquest, stop him ...

3. Geological history of Earth - Wikipedia

   en.wikipedia.org/wiki/Geological_history_of_Earth

   The Moon orbited Earth much closer, appearing much larger, producing more frequent and wider eclipses as well as tidal effects. [17] The Earth of the early Archean may have had a different tectonic style. During this time, the Earth's crust cooled enough that rocks and continental plates began to form. Some scientists think because the Earth ...

4. Geocentric model - Wikipedia

   en.wikipedia.org/wiki/Geocentric_model

   Adherence to the geocentric model stemmed largely from several important observations. First of all, if the Earth did move, then one ought to be able to observe the shifting of the fixed stars due to stellar parallax. Thus if the Earth was moving, the shapes of the constellations should change considerably over the course of a year. As they did ...

5. Stanford Achievement Test Series - Wikipedia

   en.wikipedia.org/wiki/Stanford_Achievement_Test...

   The Stanford Achievement Test Series is used to measure academic knowledge of elementary and secondary school students. The reports include narrative summaries, process and cluster summaries, and graphic displays to clarify the student's performance and guide planning and analysis. The Stanford 10 is one of the few tests in the United States ...

6. Earth - Wikipedia

   en.wikipedia.org/wiki/Earth

   Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust.

7. Solar System - Wikipedia

   en.wikipedia.org/wiki/Solar_System

   Earth (0.98–1.02 AU) [D 6] is the only place in the universe where life and surface liquid water are known to exist. [103] Earth's atmosphere contains 78% nitrogen and 21% oxygen, which is the result of the presence of life. [104] [105] The planet has a complex climate and weather system, with conditions differing drastically between climate ...