Physics

4. The resistance of any physical object to a change in its state of motion or rest, or the tendency of an object to resist any change in its motion
6. An instrument used for measuring the difference in electric potential between two points in an electric circuit
7. An instrument that is used to measure electric current
10. Occurs when a fluid flows in parallel layers with no disruption between the layers.
12. A natural phenomenon by which physical bodies attract each other with a force proportional to their masses
13. The tendency of dissimilar particles or surfaces to cling to one another

1. An area of space which contains no matter
2. A measure of the distance traversed by a single spatial period of a sinusoidal wave
3. A force which keeps a body moving with a uniform speed along a circular path and is directed along the radius towards the centre
5. The tendency of a force to rotate an object about an axis, fulcrum, or pivot
8. Any substance (often a particle) that has rest mass and (usually) also volume
9. The physical process by which matter is transformed directly from the solid phase to the gas phase without passing through an intermediate liquid phase
11. A chemical mixture of a metal with one or more other metals or other elements.