Teamwork & Change
Wonders of Nature
Community & Spaces
Technology & Media
Creative Solutions
100

Matt Cutts says you can change your life or try a new habit in just this many days.

30 days

100

This vocabulary word means to hide by blending into the things around you, like an octopus on the ocean floor

camouflage

100

Candy Chang made a famous community art project called "Before I ________"

die

100

 When a funny video spreads very fast online and millions of people watch it in one day, it goes ________.

viral

100

 In Kenya, Richard Turere needed a smart invention because these big cats were eating his family's cows.

lions

200

In the Marshmallow Challenge, teams must put the marshmallow on the very ________ of the tower.

top

200

Cephalopods shoot this dark liquid to escape from scary predators.

ink

200

 The Torre David was an abandoned ________ that poor residents turned into a big home.

skyscraper

200

 Cynthia Breazeal at MIT makes robots that can feel and respond to human ________, like joy or sadness.

emotions

200

Richard Turere scared the wild animals away by inventing a system of flashing ________.  

lights

300

This is the name of the woman who tried a new activity every month because she was inspired by Matt Cutts.

Kylie Dunn

300

This is the science word for a sea animal group that includes the octopus and the cuttlefish.  

cephalopod

300

This vocabulary word means empty, not being used, and full of no people.  

vacant

300

These are the famous or important internet people who share videos and make them popular.

tastemakers

300

Jessi Arrington says you can show your creativity every day through the ________ you choose to wear.

clothing

400

 Kindergarten kids build great towers because they make many ________ to test their ideas.

prototypes

400

Museums and people use cameras to ________ old paintings and memories from damage

preserve

400

This vocabulary word means the people who live in a specific house, neighborhood, or city.

residents

400

This is a special type of robot built to talk with people, look at them, and work with human feelings

social robot

400

This vocabulary word means very strong, powerful, and aggressive, like a scary wild animal.

fierce

500

This is the name of the TED speaker who tells people to try 30-day challenges.  

Matt Cutts

500

This is the long, flexible arm of an octopus used for grabbing or moving.

tentacle

500

Candy Chang used an old, abandoned ________ to let neighbors write down their dreams

wall

500

Kevin Allocca says videos go viral because communities don't just watch—they also ________ and participate.

respond

500

This vocabulary word means a serious disagreement, fight, or argument between two sides

conflict