Vocab choice 5

1. Moon a moon phase where the Moon is not visible from the Earth
2. Moon a moon phase that looks like more than a half circle from Earth
3. the nearly circular path a smaller object (like the Moon) travels around a larger object like Earth)
5. System the sun, the planets that orbit the sun, and other objects that orbit the sun
6. Eclipse when the moon is completely dark
8. a moon outside our solar system
10. a rocky sphere that travels around a planet
11. Eclipse The moment that the moon orbits directly between the sun and the Earth
15. the star that is the main source of light at the center of our solar system
18. a planet outside our solar system
21. Pull the force that pulls two objects together due to their mass

1. something we observe to be similar over and over again
4. a collection of gas, dust, stars, and solar systems that are held together by gravity
7. Phase the shape of the illuminated part of the Moon as it appears from Earth
9. Moon a moon phase that looks like a full circle from Earth
10. the relative size of things
12. Moon a moon phase that looks like less than half a circle from Earth
13. the circular movement of an object around its center (like a top spinning)
14. to shine light on an object and make it visible
16. Moon a moon phase that looks like half a circle from Earth
17. the four parts of the year where weather, ecology, and number of daylight hours change as a result of Earth’s orbit around the sun
19. the tendency of an object to remain at rest or unchanged
20. the force by which all things with mass or energy (including planets, stars, galaxies, and light) are brought towards one another