Across
- 1. The time it takes for a photon of light to travel from the sun to Earth. It takes light on the sun about eight minutes and 19 seconds to reach Earth
- 3. The average distance between the earth and the sun (~93,000,000 miles or 150,000,000 kilometers). Astronomers use this measurement within our solar system.
- 5. Any of the varying appearances of the Moon as seen from Earth
- 7. Orbiting objects, which include planets, moons, asteroids, and manmade devices
- 9. Phase of the moon where greater than 50% is illuminated
- 13. When concentration of sunlight is equal in both hemispheres, September 21st, also coincides with the first day of fall in the northern hemisphere
- 14. Action of moving around another object
- 16. A large asteroid belt at the edge of our solar system
- 18. When the concentration of sunlight is greatest in the southern hemisphere, December 21st, also coincides with the first day of winter in the northern hemisphere
- 19. A group of stars forming a recognizable pattern
- 20. Phase of the moon when the entire moon is illuminated
- 24. 23.5 degrees
- 25. Describes phases of the moon when the amount of the moon illuminated is decreasing
- 26. The force that exists between any two objects with mass
- 28. The named times of year determined by changes of concentration of sunlight due to earth’s revolution around the sun
- 29. The flat, disk-shaped space that connects the center of the object being orbited with the center of the orbiting objects
- 31. Large, spherical celestial body that regularly rotates around a star, like the Earth around the sun in our
- 35. Something you can see, touch, or mathematically show to support your claim. Includes results from an experiment, graphs that show your results, observations you recorded, etc.
- 36. An eclipse in which the moon appears darkened as it passes into the earth's shadow
- 38. Phase of the moon where less than 50% is illuminated
- 40. An educated guess
- 42. Phase of the moon when the left half of the moon is illuminated
- 43. Phase of the moon when none of the moon is illuminated
- 45. When the concentration of sunlight is greatest in the northern hemisphere, June 21st, also coincides with the first day of summer in the northern hemisphere
- 48. Something that is believed to be true or possible. It is considered an opinion in science until enough evidence confirms its true
- 49. A star located directly above or below one of Earth’s poles, allowing it to always be seen from one hemisphere of Earth.
Down
- 2. The sun and the planets, asteroids, comets, and other bodies that orbit around it.
- 4. A regular, repeating path that one object takes around another object or center of gravity
- 6. Twice per year when the concentration of sunlight in both hemispheres is the same.
- 8. A theoretical center through an object
- 10. Latitudinal line that divides the southern hemisphere in half
- 11. graph A chart or graph that presents categorical data with rectangular bars with heights or lengths proportional to the values that they represent
- 12. Latitudinal line that divides the earth in half
- 15. When concentration of sunlight is equal in both hemispheres, March 21st, also coincides with the first day of spring in the northern hemisphere
- 17. Relative size of objects compared to one another
- 21. The distance light travels in one year: ~6,000,000,000,000 miles or 9.5,000,000,000,000 kilometers. Astronomers use a different unit to measure distances to objects outside of the solar system.
- 22. Phase of the moon when the right half of the moon is illuminated
- 23. A way to represent a system or object
- 27. Twice per year when the concentration of sunlight in both hemispheres is strongest and/or weakest
- 30. graph A graphical representation of information that changes over a period of time
- 32. Everything, all the energy and matter there is and, according to scientists, it appears to be about 13.8 billion years old.
- 33. The outer rim of an eclipse, less dark than the umbra
- 34. Any object in space, a star, planet, comet, etc.
- 37. Action of spinning around an axis or center
- 39. Latitudinal line that divides the northern hemisphere in half
- 41. An eclipse in which the sun is obscured by the moon
- 44. The darkest part of an eclipse
- 46. Explanation of how or why the evidence supports the claim, can include scientific principles
- 47. Describes phases of the moon when the amount of the moon illuminated is increasing