Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download What is the solar system?
Document related concepts
Scattered disc wikipedia , lookup
Planet Nine wikipedia , lookup
Heliosphere wikipedia , lookup
Space: 1889 wikipedia , lookup
Planets beyond Neptune wikipedia , lookup
Dwarf planet wikipedia , lookup
Planets in astrology wikipedia , lookup
Late Heavy Bombardment wikipedia , lookup
History of Solar System formation and evolution hypotheses wikipedia , lookup
Transcript
Chapter 8, Astronomy Lesson 3, The Solar System Objectives __________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Main Idea __________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Vocabulary planet ______________________________________________________________ _______________________________________________________________ moon ______________________________________________________________ _______________________________________________________________ solar system _________________________________________________________ _______________________________________________________________ inertia ______________________________________________________________ _______________________________________________________________ asteroid ____________________________________________________________ _______________________________________________________________ comet ______________________________________________________________ _______________________________________________________________ meteoroid __________________________________________________________ _______________________________________________________________ meteor _____________________________________________________________ _______________________________________________________________ meteorite ___________________________________________________________ _______________________________________________________________ What is the solar system? How are objects that orbit the Sun classified differently from stars that do not orbit the Sun? _______________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Planets and Orbits Read a Diagram Solar System Which two planets are in orbit next to Earth? ______________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What happens to the spacing of the planets as you move farther from the Sun? __ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Which do you think takes more time to complete one orbit of the Sun: Earth or Neptune? Why? _____________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Ideas About Planetary Motion Quick Check Classify List the planets in order of increasing distance from the Sun. __________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking Would the pull of the Sun’s gravity on a space probe be greater near Mercury or near Saturn? Explain. _________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What is in the inner solar system? If you were to divide the planets into two groups, what would those groups be? __ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ On what would you base this division? ____________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What are the four inner planets? ________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ You come upon a strange planet. How could you identify this planet as an inner planet, without knowing its distance from the Sun? _________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Asteroids Quick Check Classify List the inner planets in order from smallest to largest. ______________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking In what ways are asteroids similar to planets? _____________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What are the outer planets? How are the outer planets different from the inner planets? __________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ How do the pictures of the planets compare in size? ________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ How do the planets themselves compare in size? ___________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Quick Check Classify List the outer planets in order from smallest to largest. ______________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking How is Pluto different from the outer planets? _____________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ What are other objects in our solar system? Besides the Sun, the planets, and their moons, what other things can be found in the solar system? _____________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Read a Diagram Comet’s Path What happens to a comet’s tail during its orbit? ____________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Quick Check Classify How are space objects classified as meteoroids, meteors, and meteorites? _______ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Critical Thinking Is the tail of a comet in front of or behind the comet? Explain your answer. ______ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________
