Download Study Notes: Chapter 27- Planets of the Solar System

Name: _______________________________ Period: ________
Study Notes: Chapter 27- Planets of the Solar System
1. The early oceans became ______________ when dissolved solids were carried from land into the oceans.
2. About ____________ of all matter contained in the solar nebula now exists in the sun.
3. Small bodies that orbit planets are called ________________.
4. When early Earth’s atmosphere formed, _________________ and hydrogen gases were lost because
Earth’s ______________ was too weak.
5. Copernicus proposed a _________________ model of the universe, in which the planets revolve at
different speeds around the sun.
6. Mars’s volcanoes are ______________ than those of Earth because Mars has no moving tectonic plates.
7. Impact ________________ are caused by collisions with _________________ in space.
8. Venus is a planet with a runaway ____________________ effect.
9. The factors that contribute to Mercury’s daily temperature fluctuation of about 600°C are the planet’s
slow ________________ and it is the closest planet to the ______________.
10. A region of the solar system just _________________ Neptune’s orbit, which contains small bodies
made mostly of ice, is called the ____________________ belt.
11. Neptune’s Great ______________ _____________ is a giant _________________.
12. The least _______________ planet in the solar system is ____________________.
13. The right combination of temperature, water, and oxygen supports life on Earth.
14. Kepler’s first law states that planets orbit the sun in paths called ellipses.
15. Young Earth formed a core, mantle, and crust in a process called ________________________.
16. ______________ is a planet which has _____________________ regions that may still be active.
17. The early _________________________ developed when many volcanic eruptions released large
amounts of gases in a process called _________________________.
18. _______ is the planet that has ___________ like Earth’s because its axis tilts at an almost identical angle.
19. A rotating cloud of gas and dust from which Earth’s solar system formed is called a solar ____________.
20. When the solar system formed, smaller bodies joined together through collision and the force of
_________________ to form larger bodies called _____________________.
21. Jupiter’s Great _________ Spot and _____________ Great Dark Spot are both raging _______________.
22. Around the __________ of Earth is an iron- and magnesium-rich rock layer called the ______________.
23. _____________________ that circle stars other than Earth’s sun are called ___________________.
24. The ____________________ belt can be found between the planets _____________ and Jupiter.
25. Small bodies from which planets originated during the early ___________________ of the solar system
are called ____________________________.