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Name: _______________________________ Date:__________________ Hour:_________________ Pages:________________ (Title) ________________________________________________________________________ (Section) 23.1 Introduction (Highlight the Title) Key Concepts: 1. ______________________________________________________________________________ ______________________________________________________________________________ 2. ______________________________________________________________________________ ______________________________________________________________________________ Vocabulary: _____________________________________________________________________________________ _____________________________________________________________________________________ Pre-Notes: 1. 2. 3. 4. The sun makes up ______________ percent of the ___________ of the solar system. The planets make up ______________ percent of the ___________ of the solar system. The planets are guided by _____________________________________________________. All of the planets have an _____________________ orbit and all travel ___________________________________________________________________________ 5. The farther a planet is from the sun, the __________________ it’s orbital speed around the sun. 6. The closer a planet is from the sun, the __________________ it’s orbital speed around the sun. [The Planets: An Overview] What are general characteristics of the planets? (Highlight the Question) 1. List the Terrestrial Planets: ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________________________________ 2. List the Jovian Planets: ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________________________________ 3. Complete the table: Compare and Contrast Characteristic Distance from one planet to the next Diameter Density Rotation rate Atmosphere Composition Terrestrial Planets Jovian Planets What is the theory behind the formation of the solar system? (Highlight the Question) [Formation of the Solar System] ? 1. A nebula is ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ __________________________________________________________________________ 2. Composition of a nebula (what is it made of?) ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ 3. As a nebula contract inward, they spin ___________________________________________________________________________ ___________________________________________________________________________ 4. According to the nebular theory, ___________________________________________________________________________ ___________________________________________________________________________ ___________________________________________________________________________ _________________________________________________________________________ 5. As the speed of rotation increased: 6. a. ____________________________________________________________________ ___________________________________________________________________ b. ____________________________________________________________________ ____________________________________________________________________ Planetesimals are ___________________________________________________________________________ __________________________________________________________________________ 7. 8. Summarize the formation of the inner planets in 5 steps or less. a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ d. ______________________________________________________________ e. ________________________________________________________________ Summarize the formation of the outer planets in 5 steps or less. a. ______________________________________________________________ b. ______________________________________________________________ c. ______________________________________________________________ d. ______________________________________________________________ e. ________________________________________________________________ _ Inferring: Earth is unique because water exists in all three states – solid, liquid, and gas – on the surface. How would Earth’s water cycle be different if its orbit was outside the orbit of Mars? ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________