Across
- 2. galaxy where out solar system is located; spiral galaxy (two words)
- 5. any object you can see in the sky that is out of our atmosphere such as planets, stars, sun, etc (two words)
- 8. imaginary line in which planets rotate
- 9. regular motion of ocean water produced by the gravitational pull of the moon
- 11. light on left side of the moon
- 14. Earth's movement(spinning) on it's axis (takes 24 hours)
- 15. equal amounts of daylight; Earth's axis is tilted neither toward or away from the sun
- 16. the type of gas that the sun is mostly made up of
- 18. outer planets such as Jupiter, Uranus, Saturn and Neptune are classified as ____________________ planets
- 19. Earth's movement around the sun (takes 365.25 days)
- 20. small rocky object that orbits the sun in an asteroid belt
- 22. day when Earth's axis is mostly away or toward the sun (summer/winter);longest amount of daylight
- 24. the path an object takes as it revolves around another object
- 27. the name of the first man to step foot on the moon
- 29. stars are classified by color, mass and ____________
- 31. come from the outer part of the solar system-made of gas, dust and ice
- 33. system of millions/billions of stars together with gas and dust, held together by gravitational attraction
Down
- 1. the energy and light we receive from the sun is called ___________ (two words)
- 3. the name of the American space shuttle that put the first man on the moon
- 4. from Earth we always only see ________ of the moon
- 6. number of hours it takes to go from one high tide to the next high tide
- 7. the force that attracts objects with mass to other objects with mass
- 10. number of planets in our solar system
- 11. light on right side of the moon
- 12. first man-made object in space (launched by Soviet Union)
- 13. phase of the moon when we are not able to see any reflecting light (two words)
- 17. the sun appears to rise in the ________ and set in the________ (two words)
- 21. this happens when the moon blocks the sun's light (two words)
- 22. the moon gets its light from the ________
- 23. progressing through all 8 phases of the moon is called a __________ (two words); takes 29.5 days
- 25. inner planets such as Mars, Earth, Venus, Mercury are classified as ______________________ planets
- 26. type of eclipse when the moon falls into the Earth's shadow and Earth blocks the sun's light from hitting the moon
- 28. phase of the moon when we see all reflected light
- 30. in the year 1969 the first man walked on the _______
- 32. large ball of gas held together by gravity