ScienceCrosswordPuzzle1910

4. - The different shapes of the Moon that we see at different times of the month
9. - a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
10. - It makes up everything around us
12. - Has a certain type of FIELD
14. - freely flowing particles
16. - a community of organisms and their physical environment interacting together
18. - the release and transmission of electricity in an applied electric field through a medium such as a gas
19. - the angle between an object's rotational axis and its orbit
20. - all the different kinds of life you'll find in one area

1. - a scientific procedure undertaken to discover, test a hypothesis, or demonstrate a known fact.
2. - the force that pulls you closer to earth
3. - a tool used for identifying an unknown item or organism.
5. - When an object goes around another object
6. - a branch of science that deals with living organisms and their vital processes
7. - forces where another cancels out the effect of one force
8. - when the Moon passes between Earth and the Sun
11. - the Sun casts Earth's shadow onto the Moon
13. - Densely packed Particles
15. - a "nearly" equal amount of daylight and darkness at all latitudes
17. - Slightly less packed particles