super easy
easier
medium
hard
ridiculousness
100

Aquifer

An underground layer of rock that water continually moves through.

100

xylophone

An instrument played by striking a row of metal bars of different lengths with a wooden mallet.

100

audible

Able to be heard

100

visionary

a person with original ideas about what the future will or could be like.

100

cacophany

A mixture of various unpleasant sounds

200

Aquarium

A glass tank or bowl in which fish or other animals live.

200

anthropology

the study of human races, origins, societies and cultures.

200

memorialize

to do or create something that causes people to remember an important person, thing or event.

200

memoir

A written account in which someone describes past experiences. 

200

Maritime

on or near the sea

300

audition

A interview for a role or a job as an actor, singer, dancer or musician consisting of a performance.

300

conscience

The part of the mind that tells you certain actions are positive or negative. 

300

cyclical

Happening again and again in the same order.

300

conscientious

very careful about doing what you are supposed to be doing.

300

etymology

the study of of origin of words, and the way their meaning have changed through history.

400

memorable

very good or interesting and worth remembering.

400

geology

The study of history earth especially recorded by rocks.

400

cyclone

An extremely large and powerful storm that is destructive and has very high winds.

400

Circumference

The length of a line that goes around a circle or other round shape. 

400

concentric

when two or more objects share the same center point.

500

Science

the study of natural world based on facts learned through experiments and observations.

500

memento

an object that is a reminder of a person place or event.

500

circuit

THe complete path an electric current travels along

500

Central

located in the center of a thing or place.

500

Circumstance

a condition that surrounds or causes an event to happen.

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