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Bell Ringer

Bell Ringer. List the phases of the moon. . I can describe the different components of the solar system and how they relate together. . Flashback . 1-5 and 1 Bonus:. Review Check . 1. What is gravity? Gravity is the force of attraction between two objects.

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Bell Ringer

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  1. Bell Ringer List the phases of the moon.

  2. I can describe the different components of the solar system and how they relate together.

  3. Flashback • 1-5 and 1 Bonus:

  4. Review Check • 1. What is gravity? • Gravity is the force of attraction between two objects

  5. 2. How does your weight on Earth compare with your weight the moon? WHY? • Your weight on Earth is 6 times larger than on the moon. The moon’s gravity is 1/6th of Earth’s gravity. Weight is you mass with the force of gravity.

  6. 3. Inertia is the tendency of an object if in motion to stay in motion and if at rest to stay at rest.

  7. 4. Orbit is….. • Is the path that one object takes around another object

  8. 5. Why can astronauts jump higher on the moon rather than on Earth? • The Moon has less mass therefore the pull of gravity is not as strong.

  9. 6. What causes the seasons? • Earth rotates on a tilted axis.

  10. 7. What causes day and night? • Earth’s rotation on its axis.

  11. 8. revolution is ….. • One complete trip around the Sun. • Earth takes 365 ¼ days to revolve around the sun.

  12. 9. rotation is … • Is one complete spin on its axis. • It takes Earth 24 hours to make one complete spin.

  13. 10. The pull of gravity depends on the mass of the object and the distance.

  14. 11. Why do planets stay in orbit? • The planets are held in orbit around the Sun by the force of gravity between the planet and the Sun.

  15. 12. List the moon phases in order starting with the new moon. • New, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, waning crescent then back to the new moon.

  16. 13. What 2 time periods do we mark by the completion of all of the moon phases? • One month and 29.5 days

  17. 14. Compare Waxing and waning. • Waxing is after the new moon • Waning is before the new moon • The lighted side of the moon is on the opposite sides. • Waxing: the lighted side is on the right • Waning: the lighted side is on the left

  18. 15. Name two types of eclipse. How are they different? • Lunar: • Solar: • A solar eclipse happens when the Moon passes directly between the Sun and Earth. • A lunar eclipse happens when the Moon moves into Earth’s shadow and is no longer reached by direct sunlight.

  19. 16. What cause tides? • The pull of gravity between the Moon and Earth and between the Sun and Earth cause a bulge in the surface of Earth. We do not notice this on the rocky (terrestrial) part of earth. However, on large bodies of water it can be seen. • Tide

  20. How do we observe objects in space? • Telescopes,

  21. 18. Name the planets: inner and outer • Inner: Earth, Mars, Mercury, Venus • Outer: Jupiter, Saturn, Uranus and Neptune

  22. 19. How are the inner planets different from the outer planets? • Inner planets have a solid rock surface. • The outer planets are gas giants.

  23. Compare our moon and a satellite • Our moon is a natural satellite. • Satellite is an object in space that circles around another object. • Natural and artificial

  24. 21. Compare comets, meteors, meteorites and asteroids, • Comets– is a mixture of frozen gases, ice dust and rock that moves in an elliptical orbit around the sun. • Meteors—an object that crosses Earth’s path and enters Earth’s atmosphere

  25. 21 continued • 21. asteroid—a rock that revolves around the sun • Meteorite—a meteor that hits the ground

  26. Test on MONDAY

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