Physics crossword puzzle

6. Least amount of inputs to achieve the highest amount of output.
7. A fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms
10. the law of ____ of energy states that energy can be converted in form, but not created or destroyed.
12. My teacher calls himself
13. Pounds per square inch.
14. way Our planet is located in this galaxy?
16. Newton's first law is often referred to as the principle of ____.
17. The _____ System is the gravitationally bound system of the Sun and the objects that orbit it.
19. The ______ belt is located roughly between the orbits of the planets Jupiter and Mars.

1. Largest of Jupiter moon
2. Force due to gravity
3. My name is
4. A _____ machine doesn't have a motor, it's self powered.
5. A measure of how fast something moves in a particular direction.
8. _____ energy ends up as heat.
9. In our solar system, it is the planet closest to the sun.
11. When antimatter and matter meet, they ______ each other.
13. _____ energy is stored up energy capable of doing work.
15. The _____ belt is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune.
18. Newton's ____ law states that all forces between two objects exist in equal magnitude and opposite direction