Roots, Prefixes, & Suffixes - Lesson 16: Words & Definitions

An instrument that is used to measure air pressure and predict changes in the weather is called a _________.

• barometer

• thermometer

• anemometer

• hygrometer

Fill in the blank: The distance through the center of a circle or sphere from one side to the other is called the _________.

• diameter

• radius

• circumference

• chord

Fill in the blank: The profession of examining people’s eyes to find out if they need eyeglasses or medical treatment is called _________.

• optometry

• dentistry

• cardiology

• dermatology

Fill in the blank: The outside edge of an area or surface; the total length of the lines that form a shape is called the _________.

• perimeter

• area

• volume

• radius

Fill in the blank: The quality of something that has two sides or halves that are the same or very close in size, shape, and position is called _________.

• symmetry

• asymmetry

• rotation

• reflection

Fill in the blank: Something that is done to prevent possible harm or trouble from happening in the future is called a _________

• precaution

• celebration

• punishment

• reaction

Fill in the blank: A statement about what will happen in the future is called a _________.

• forecast

• summary

• diagram

• experiment

Fill in the blank: Occurring in the southern United States before the Civil War is described as _________.

• antebellum

• reconstruction

• progressive

• modern

Fill in the blank: Something that came before something else and may have influenced or caused it is called an _________.

• antecedent

• consequence

• component

• adjacent

Fill in the blank: To decide that something which had been planned for a particular time will be done at a later time instead is to _________.

• postpone

• advance

• cancel

• repeat