Equations



Percent deviation

__Eccentricity-__Used with orbits. The higher the number the less round the orbit. planets have low eccentricity, comets tend to have high eccentricity.

__Gradient__- Usually used in determining slopes on maps, can be used to determine the pressure gradient on weather maps.

__Rate of change__- How quickly things change.

__Density__- This is the most useful of these. It is used in many areas of science. You should be able to find density from mass and volume; volume from density and mass; mass from density and volume.

Example Regent's Questions