Roots and Prefixes

Which word means the distance through the center of a circle or sphere from one side to the other?

• barometer

• diameter

• perimeter

• antecedent

Choose all the prefixes that mean "before" .

• pre-

• post-

• uni-

• fore-

• ante-

Use your knowledge of root words to define the underlined word in the following sentence. "The butterfly shows symmetry."

• An early machine used to read music.

• A leader of a band.

• The quality of something that has two sides or halves that are the same or very close in size, shape, and position.

• A statement of what will happen in the future.

The profession of examining people's eyes to find out if they need eyeglasses.

• Diameter

• Optometry

• perimeter

• Forecast

Antecedent means

• something that came before something else

• To decide that something which had been planned for a particular time will be done at a later time instead

• to move back

• to move again

To decide that something which has been planned for a particular time will be done at a later time instead.

• Precaution

• Antebellum

• Postpone

• Forecast

What is the perimeter?

• The inside of an object

• Related to weather

• an instrument

• The outside edge of an area or surface.

What word means occuring in the southern United States before the Civil War.

• Optometry

• Precaution

• Antebellum

• Forecast

What means a statement that will happen in the future?

• Forecast

• Diameter

• Transport

• Postpone

The prefix, "tele," means

• to call someone on the phone

• to tell someone a secret

• at a distance

• very near