1. 4 th Grade Science Vocabulary Chapter 2

2. Vocabulary in 4 th Grade Science Ch. 2 UniverseMoon GalaxyConstellation PlanetSun RevolveStar PhaseSolar System AxisRotate CometOrbit

3. What do we call a natural body that revolves around a planet?

4. Moon

5. What do we call the star at the center of the solar system?

6. Sun

7. What do we call a pattern of stars that form an imaginary picture of design in the sky?

8. Constellation

9. What do we call a huge ball of very hot gases in space?

10. Star

11. What do we call a star and all the planets and other objects that revolve around it?

12. Solar System

13. What do we call a large body that revolves around a star?

14. Planet

15. What do we call a ball of ice, rock, and frozen gases that orbits the sun?

16. Comet

17. What do we call an imaginary line that runs through the center of Earth from the North Pole to the South Pole?

18. Axis

19. What do we call the path of one object in space around another object?

20. Orbit

21. What do we call spinning around an axis?

22. Rotate

23. What do we call traveling in a closed path?

24. Revolve

25. What do we call one of the shapes the moon seems to have as it orbits Earth?

26. Phase

27. What do we call a grouping of gas, dust, and main stars, plus any objects that orbit those stars?

28. Galaxy

29. What do we call everything that exists in space?

30. Universe