Physics

8. any material that attracts iron and materials that contain iron
9. a coil of wire with an electric current in it
10. the force that opposes the movement of two surfaces that are in contact and are moving over each other
12. The area of magnetic force around a magnet
17. a device that converts mechanical energy into electrical energy
18. The interaction between electricity and magnetism
19. an electrical property of matter that creates electric and magnetic forces and interactions
21. A push or pull exerted on an object
23. a single characteristic of data that appears in a table as a column
25. the tendency of an object to resist a change in its motion
26. The combination of all forces acting on an object
29. resistance by friction from air or water moving over a surface

1. A substance that can conduct electricity under some conditions
2. A device that increases or decreases the voltage of alternating current
3. a friction force that acts on objects that are not moving
4. the process of creating a current in a circuit by changing a magnetic field
5. the attraction or repulsion between magnetic poles
6. The ends of a magnetic object, where the magnetic force is strongest.
7. Kinetic or potential energy associated with the motion or position of an object
11. a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil
13. A force of attraction between objects that is due to their masses.
14. the motion of a falling object when the only force acting on it is gravity
15. energy of motion
16. A buildup of charges on an object.
20. stored energy
22. The path of an object as it revolves around another object in space
24. A material through which electric charge can flow easily
27. a material through which charge cannot flow easily
28. a device that converts electrical energy into mechanical energy