-astr (star)
-ped/-pod (foot)
-cred (believe/trust)
-rupt (break)
Negative Prefixes
100

This symbol * shares its name with a root meaning “star.”



What is an asterisk?

100

The two-wheeled vehicle whose name means “two-footed.”

What is a bicycle?

100

If you are credible, people can do this with what you say.

What is believe it?

100

A volcano does this when it explodes.

What is erupt?

100

To disagree means to do this with someone’s opinion.




What is not agree?

200

A scientist who studies stars and planets.

What is an astronomer?

200

An animal like a crab or spider that has many legs.

What is an arthropod?

200

Paper money and coins that you can believe in as payment.

What is credit?


200

To interrupt means to do this to someone speaking.

What is break in or stop them?

200

This prefix means “against,” as in antibiotic.

What is anti-?

300

A traveler who explores the stars.




What is an astronaut?

300

A word meaning “foot doctor.”

What is a podiatrist?

300

Someone not able or willing to believe something is called this. 

What is incerdulous?

300

When a pipe bursts, we say it has done this.

What is ruptured?

300

To defrost means to do this to frozen food.




What is remove frost?

400

A rock from space that orbits the sun—most are found between Mars and Jupiter.

What is an asteroid?

400

A mammal that walks on two legs.

What is a biped?

400

A set of classes that give you academic “belief” or proof you earned knowledge.

What are credentials?

400

A dishonest act that “breaks” trust.

What is corruption?


400

A counterargument does this to another argument.

What is opposes it?

500

Something that is astronomical is either related to space or this extreme adjective.

What is extremely large?

500

A word for something with four feet.

What is a quadruped?

500

A story so wild you can hardly believe it.

What is incredible?

500

A sudden break in normal operations, like in the economy or peace.

What is disruption?

500

The word contradict means to do this to someone’s statement.

What is speak against it?

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