Science

1. measuring how much work or energy we can conserve in a process.
4. force that resists the sliding or rolling of one solid object over another.
5. Distance an object travels per unit of time
8. electric current does not flow freely
11. is the force exerted by magnets when they attract or repel each other.
13. A closed path that electric current follows
14. power is obtained by harnessing the energy produced by waves at sea.
16. produce hydrogen ions and bases accept hydrogen ions.
17. A push or a pull
18. the force by which a planet or other body draws objects toward its center.
20. force that resists the sliding or rolling of one solid object over another.

2. electric current can flow freely
3. A substance that is dissolved in a solution
6. A particle inside the atom that has a negative - charge
7. The conversion of one form of energy into another
9. the substance in which a solute dissolves to produce a homogeneous mixture.
10. a substance that can accept hydrogen ions in water and can neutralize an acid.
12. the change in position of an object with respect to its surroundings in a given interval of time.
15. is the ability to do work
19. Speed in a given direction