Humans
Environment
Government
Science
Anything Goes
100

A period of 100 years

Century

100

Hibernate

To spend the winter at rest.

100

Corruption

Dishonest or illegal behavior especially by powerful people, such as government officials. 

100

Contaminated

impure or unclean by contact or mixture. 

100

The capitol of California

California

200

The main tube that carries air to and from the lungs,

Windpipe

200

The line where the earth seems to meet the sky

Horizon

200

Treaty

An official agreement between two or more countries or groups.

200

Too high-frequency for humans to hear, in reference to sound waves.

Ultrasonic

200

Name 3 Super Heroes

Spiderman, Thor, Ironman, etc.

300

Someone who writes music

Composer

300

Forestry

The science of cultivating and caring for forests.

300

Activist

Person who advocates for social or political change. 

300

Engineer

Person who is trained to design, build, and use specialized machines, engines, systems, and/or structures.

300

The last day of school AND Mrs. Bennett's birthday

June 8

400

The life story of a person, written or told by that person

Autobiography

400

Altitude

Height above the Earth's surface (usually above sea level).

400

Official process of collecting a count of the people living in a country or city. 

Census

400

The size of an earthquake measured on a scale of 1 to 10.

Magnitude

400

The day the United States celebrates its birthday. 

July 4th

500

Olfactory

relating to the sense of smell

500

An area of land distinguished by certain features, such as climate or religion

Region

500

The act of entering a place, like a country, in order to take it over with force. 

Invasion

500

A step by step process for solving a problem or accomplishing some goal.

Algorithm

500

The 1st and 16th US Presidents

George Washington and Abraham Lincoln