Science Vocab

2. Waves that move through the ocean in response to the forces exerted by the moon and the sun.
3. The force that a planet or other body pulls other objects in its orbit.
5. An object spinning on its axis
8. A moon that appears to get larger each night
10. A representation of the moon's journey around Earth.
13. When the earth revolves around the sun, the tilt in the axis causes the northern hemisphere to be closer to the sun at some points, which is summer, and the other seasons as well, and the opposite is the southern hemisphere.
15. The tides are more extreme because the moon is parallel to the sun.
17. An object’s orbital motion around another object
18. 3/4 of the visible moon is lit up

1. When water advances to its furthest extent on the shoreline because of the moon’s gravitational pull
4. The portion of the moon that we can see from Earth on any given night.
6. A period of moderate tides when the sun and moon are at right angles to each other
7. A moon that is appearing to get smaller each night
9. An invisible line on which an object rotates.
11. 1/4 of the visible moon is lit up
12. When the water recedes to its furthest extent because of the moon’s gravitational pull
14. Half of a sphere or a ball, such as a planet
16. A diagonal axis