Science Crossword

1. product of a system
4. air more dense and sinks to Earth's surface spreading out less dense air
7. of science consistency and observability and natural and predictably and tentativeness and testability
9. movement of matter caused by temperature and density
11. air over this heats up faster than water
12. science 0-2 characteristics of science
13. moves from areas of high pressure to low pressure
14. measures temperature by having the liquid expand when hot and get smaller when colder
17. air over _______ is more dense than air over land so wind blows over ________ towards land during the day
18. molecules move and are close to each other but not touching in this substance
19. molecules have weak attraction and move very fast in this substance

2. 3-5 characteristics of science
3. molecules move slower and they move closer together
5. limits of system or what is not part of a system
6. molecule made of 2 hydrogen atoms and 1 oxygen atom
8. matter or energy or information that enters a system
10. air less dense and rises due to more dense air pushing it up
15. molecules move faster and molecules move apart
16. molecules are attracted to each other and vibrate while staying in place in this substance