Prefix Power
Choose the Prefix
Decode the Word
Root Word Detective
Challenge Round
100

This prefix means "against" and is used in words like "antibiotic."

  • Answer: What is anti

100

Which prefix means between.   intra, uni, inter, bi, or hemi

Inter. Exaple; Two lines intersect, they cross in between each other
100
A bilingual students speaks how many languages? What does bilingual mean?

Able to speak two languages

100

In the word biology, what does bio- mean?

Life. Biology is the study of living things. 

100

True or False: A unicycle and bicycle habe the same number of wheels. Explain your answer

False. Uni- means one; bi- means two.

200

What does the prefix bi mean?

Two.  Example: Bicycle has two wheels

200

Complete the word: __possible means not possible. Choose im-, trans-, or co-, 

Impossible

Im-means not .

200

An autobiography tells the story of a person's life written by that person. What does auto mean? What is an autobiography?

Auto means self. An autobiography is a life story written by the person

200

In the word foreshadow, what does the word fore- tell you about the word?

Front of or to look ahead.

200

A student calls someone who disagrees with a rule "anti-rule." What does anti- suggest about that persons position? 

That person is against or apposed to the rule. Anti- means against.

300

What do the prefix in, im, il, and ir, often have in common?

They can all mean "not" 

Example: invisible, impossible, illegal, irregular

300

Which prefix best completes the word meaning "to work together" : co-, de-, or anti-?

Co-Cooperate means to work together

300

A road goes around a circular park. Which word names the distance around a circle; circumference or  thermometer? Explain the word part that helps?

Circumference, Circum- means around; circumference is the distance around a circle.

300

A megaphone makes a person's voice louder. What does mega suggest?

Large or great. A megaphone amplifies sound.

300

A classmate claims that irregular means "not regular" Which prefix supports this meaning and why is ir-used instead of in?

ir- means not in the word irregular. This is the standard spelling of the word.

400

Comapare hemi- and. uni-. What does each prefix mean?

Hemi- means half

Uni- means one

400

A person makes a statement that makes opposes another statement. Which prefix fits: contra- or circum-? Explain

Contra; it means against or opposite.

400

A student says a thermometer measures distance across a room. Where is the mistake?

A thermometer measures temperature, not distance. Thermo relates to heat.

400
Compare cooperate and contradict. How do co- and contra- change the meaning of their words?
Co- means together, so cooperate means work together. Contra means against or opposite, so contradict means to oppose or go against a statement.
400

Invent a word using trans- Explain what the word would mean using "across" or "through."

Answers will Vary teacher check for correct answer.

500

A scientist studies a very large system of stars and galaxies, Which prefix from your list could describe something large, and what does it mean?

Macro- it means large.

500

Which prefix best completes the word meaning "to make something inactive": de-, bi-, or mega? Explain how the prefix changes the meaning.

De-. Deactivate means to make something inactive or stop it from operating.

500

A vehicle transports supplies from one town to another. Us the prefix to explain the meaning of transport

Transport means to carry or move something from one place to another.

500

Break down hemisphere into its prefix and root. What does the comoplete word mean? 

Hemi-means half and sphere refers to a rounded or globe-shape form. A hemisphere is half of a sphere or circle.

500

A student says circum- and trans- means the same thing because both can describe movement. Explain why this reasoning is incomplete.

They have different meanings: circum- means around, while trans means across or through.

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