Prefixes
Suffixes
Build a word
Ocean Mystery
Word Detective
100

A crab is UNHAPPY because it lost it's shell.

What prefix means "not"

What is "UN"

100

A fish is SWIMMING.

What does the suffix - ing tell us?

The action is happening NOW?

100

Add the prefix re to fill.

What word does it make?

hint: 

What is ........REFILL

100

A jellyfish can not be seen.

What word means NOT visible?

hint:  

What is..........INVISIBLE

100

Find the prefix:

He tried to undo the knot, but it was too tight.

What is............ -un in the word undo

200

A dolphin has to REDO a trick.

What does the prefix RE mean?

What is.......AGAIN

200

The shark was FEARLESS.

What does the suffix -less mean?

What is ........WITHOUT

200

Add the suffix un- to safe.

What word does it make?

hint:

What is ..............UNSAFE

200

A pirate needs to tie his boat to the dock again.

Which word is right?

A. untie

B.retie

C. tieful

What is.........retie

200

Find the suffix:

Reading books can be helpful for learning new things.

What is..........-ful in the word HELPFUL

300

A submarine can go UNDERWATER.

What prefix mean BELOW?

What is ........UNDER.

300

The octopus is HELPFUL.

What does the suffix -FUL mean?

What is ..........FULL OF

300

Add the suffix -ful to care.

What word do you get?

hint:

What is ............... CAREFUL.

300

A swimmer is acting in a way that is not careful.

Which word means this?

A. uncareful

B. Carryon

C. Careless

What is.............CARELESS

300

Find the prefix:

The dolphins disagree on whether to play tag or race through the waves. 

What is .........-dis in the word DISAGREE

400

A diver is wearing a PREPAID wristband.


What does "PRE" mean?

What is ..........BEFORE

400

Max's KINDNESS towards the injured turtle made everyone smile.

What does -ness due to a word?

makes it a noun         or          makes it an adjective

What is........makes it a NOUN

400

Add the suffix -less to fear.

What word does it make?

hint:

What is ................FEARLESS.

400

The captain was given the wrong information and went the wrong way.

What prefix do we add to the word information to show this.

1. mis           2. re         3. ing

What is .............misinformation?

400

Find the suffix:

Helping someone find their lost flip-flops is an act of kindness.

What is ..........- ness in the word KINDNESS.

500

A whale was MISBEHAVING by splashing everyone.

What does "Mis" mean

What is.........NOT

500

The diver is also a TEACHER.

How does the suffix -er change the word? 

It changes the root word from an action to a person doing the action.

500

Add the prefix PRE to the word view.

What word does it make?

hint:


What is .................PREVIEW

500

The car began to hydroplane on the road in the storm.

What does the prefix HYDRO mean? 

Water.                    hot                    slide

What is..............WATER

500

Identify the prefix, root word, and suffix, of the word

UNBREAKABLE

What is .......

prefix- un

root word- break

suffix- able