o-p
P
R-S
R-s
T-V
100

omit

to exclude some information intentionally or forgetfully; to fail or neglect to do something.

100

Precede

 an event which occurs before another event in time; something which comes before another thing regarding their positions.

100

redundant

information which is no longer needed or is of use, usually because it has been stated or deduced earlier.

100

residual

 remaining parts after an activity has been done to an object, or something which was left over.

100

Velocity

the speed and direction of an object’s motion.

200

Precipitation

phenomena of any form of water falling to the ground (in the form of rain, mist, snow, etc.).

200

prolong

 to increase the duration or the physical space of an event or object.

200

 a compound made up of amino acids which plays several roles in forming the structural components of the body (such as muscles, hair, etc.) within an organism.

Protein

200

relevant

 information which is related or appropriate to the subject or holds some value or interest to the subject being discussed.

200

trial

 testing the performance or result of an experiment.

300

parasite

 an organism which uses another organism as a host and feeds off the host for survival.

300

proficient 

to be well versed and skilled in using a tool or thing.

300

proton

 a fundamental part of the atom which is positively charged.

300

solution

 a mixture of two or more substances which is homogeneous (has a uniform mixture and composition).

300

something which always shows the same form or manner without variation.

Uniform

400

Photosynthesis

 a process used by plants to convert carbon dioxide and water into glucose, using energy from sunlight.

400

proportionality

 the relationship between two distinct quantities or amounts. In “directly proportional” quantities, an increase of one quantity causes the increase of the other quantity. In “indirectly proportional” quantities, increase of one quantity causes the decrease of the other quantity.

400

Radioactive decay

  1.  a naturally occurring process by which an atom spontaneously decays into another atom of a different element.

400

Starch

 a complex carbohydrate which forms the energy supply within many vegetables.

400

a factor which is meant to be changed in an experiment to determine the effects it has on the experiment.

variable

500

 a scale from 1-14 which specifies the concentration of hydrogen ions in an aqueous solution. It represents the alkalinity or acidity of that solution

PH

500

 something which forms the foundation of a system or behavior.

Principal

500

the ratio of the weight of one substance to the weight of a different substance.

specific gravity

500

substrate

a substance which is acted upon by an enzyme; a layer which is underneath another layer.

500

viscosity

 the tendency of a liquid to resist flow. More viscous liquids flow more slowly than less viscous ones.