Physics

3. the force that attracts a body toward the center of the earth
4. field that astronomer and cosmologist study
5. SI unit of electrical current
6. negatively charged electrons around a circuit
9. mass/volume
12. work/time
13. the study of celestial object, space and the universe
16. is a passive two-terminal electrical component used to store energy electrostatically in an electric field
18. of or relating to the sun
19. Si units of power
20. vibrations that travel through the air or another medium

1. the rate at which charge flows past a point on a circuit
2. smallest constituent unit of ordinary matter
7. something that travels 186,282 miles per second
8. emission of energy in the form of waves through space or a medium
10. mass x acceleration
11. rate of change of displacement or distance over time with a known direction
14. SI unit for electrical resistance
15. a body of coherent matter, usually of indefinite shape and often of considerable size
17. its Si Unit is Q
19. force times distance