Science

3. Inertia is the idea that an object will continue its current motion
5. At standard conditions hydrogen is a gas of diatomic molecules having the formula H20
6. forces applied to an object in opposite directions that are not equal in size
9. physical phenomena associated with the presence and motion
13. matter having constant chemical composition and characteristic properties
16. the change is structurally the same before and after the change
18. has a neutral charge
19. the action or process of moving or of changing place or position; movement.

1. a positive electric charge
2. electric charges within or on the surface of a material or between materials
3. an atom or molecule with a net electrical charge
4. matter having constant chemical composition and characteristic properties.
7. have a negative one elementary electric charge
8. the magnitude of the change of its position over time
10. forces that are equal in size and opposite in direction
11. material or system has the same properties at every point
12. flow of charged particles such as electrons or ions
14. property that is transferred to a body
15. directional speed of an object in motion as an indication of its rate of change
17. particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.