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Exploring the Solar System: Understanding Stars and Planets

This lesson introduces the fundamental concepts of our solar system, focusing on stars and planets. It defines key terms such as constellations, galaxies, comets, and asteroids. Learners will explore how stars differ in size, distance, and temperature, and the energy they emit. It also covers the importance of telescopes in observing the night sky and explains the roles of planets, moons, and meteoroids in our solar system. Key facts, including the Milky Way galaxy and the eight planets, are highlighted for a comprehensive understanding of our celestial neighborhood.

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Exploring the Solar System: Understanding Stars and Planets

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  1. Science Unit DChapter 1 THE SOLAR SYSTEM

  2. Lesson1 What Are Stars and Planets?

  3. A group of stars that form a star picture is called a _________. constellation

  4. ____ are much bigger than the Earth. Stars

  5. A star is a big ball of _______. hot gases

  6. Stars are different ________, _____, and __________. sizes distances temperatures

  7. The gases of a star give off two kinds of light:________(solar energy) and __________. light energy heat energy

  8. People use _______ to look at the night sky because stars look closer and larger. telescopes

  9. The Earth is in the _________Galaxy. Milky Way

  10. Our solar system has _____, which are frozen balls of dirty ice. comets

  11. A ____ is made up of millions of stars that orbit the same center. galaxy

  12. _____, or the North Star, can be found at the end of the handle of the Little Dipper. Polaris

  13. Our solar system has ______, that travel around the sun. planets

  14. People long ago used the ________ like a compass, because it is located above the North Pole. North Star

  15. Stars look smaller because they are so _______. far away

  16. The ____ is the star closest to the Earth. sun

  17. We have _____ planets in our Solar System. eight

  18. Our solar system has _________, which are chunks of rock or metal. asteroids

  19. The planets are_______,_____,________,______,____,______, and_______. Earth Mercury Venus Saturn Jupiter Mars Neptune Uranus

  20. A _____ is a large ball of rock or gas that travels around the sun . planet

  21. Remember this sentence….M__V___E___M____J___S____U__N___.

  22. Our solar system has ____, that do not give off light of their own. moons

  23. Our solar system has _________, which are small chunks of rock or ice. meteoroids

  24. Our solar system has a ___, which is a hot glowing ball of gas. sun

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