Quarter 1 Science Crossword

2. states that the true laws of nature always hold
4. well-tested explanation that unifies a broad range of observations
8. A person's view of the world
9. A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity
10. data that usually consists of numbers combined with units
11. when one object moves around another object (revolve,orbit).
12. an oval defined by two points, each called a focus. If you take any point on the ellipse, the sum of the distances to the focus points is constant.
14. Jupiter, Saturn, Uranus, & Neptune. Called Gas Giants.
18. the action of spinning around an axis or center.
19. Scientific work to find explanations for present-day, observable, scientific questions.
22. The square of the orbital period of a planet is directly proportional to the cube of the semi-major axis of its orbit
26. celestial body moving in an elliptical orbit around a star
27. process by which scientists formulate a hypothesis, gather data by observation and experimentation, and come to a conclusion
28. A logical interpretation based on prior knowledge and experience
29. Space and all the matter and energy in it
30. a luminous ball of gas, mostly hydrogen and helium, held together by its own gravity.
32. Small, rocky planets that orbit closest to the sun including Mercury, Venus, Earth, & Mars
34. Data calculated from other data. Raw data are measured or collected

1. Concerned with worldly rather than spiritual matters
3. God's command in Genesis 1:28
5. a rocking, swaying, or nodding motion in the axis of Earth as it precesses. The axis wobbles because of the gravity of the sun, moon, and other planets.
6. Scientific work that attempts to explain natural processes and events in the unobservable past by examining data in the present.
7. A group of stars that form a pattern in the sky
13. a change in the orientation of the rotational axis of a rotating body from Polaris to Vega and back (Earth's axis precesses once every 26,000 years).
15. As a planet moves around its orbit, it sweeps out equal areas in equal times (travelling faster when closer to the sun and slower when farther away).
16. Facts, figures, and other evidence gathered through observations.
17. The scientific study of earth and the universe around it
20. An organized way of gathering and analyzing evidence about the natural world
21. A testable prediction, often implied by a theory
23. The orbital path of a planet is in the shape of an ellipse, with the sun at one focus.
24. Good News
25. representations of objects or systems
31. a natural satellite of a planet
33. Data that describes an observation using words