Vocabulary
Landers
Minrs
Grinders
General
100

What was the blackout?

Perses lost communication with Earth

100

Who named the Landers? 

Chris

100

Who was the youngest Minr? 

Darcy

100

Where were the Grinders found?

In a cage

100

Why are the kids forced underground?

Their colony was destroyed by Landers

200

What is the Beacon?

A device the Minrs can use to send a distress signal to Earth

200

What were the Landers planning to do after they left Perses?

set off bombs to take out the food and power sources the Minrs needed to survive
200

Who was the traitor who leaked information to the Landers about the attacks that the Minrs were planning?

Jimmi

200

How many Grinders were alive? 

Four

200

What is the biggest challenge the kids face after the collapse of the CoreScraper?

No place to gather more food/supplies

300

What is a digger?

A machine used to cut through rock

300

Which Minrs did the Landers kill directly?

Finn and Jimmi

300

Who sacrifices his life at the end of the book to blow up the Landers' ship?

Alek

300

What was the main problem that the Grinders were facing when they were found?

They were starving and dehydrated

300

What is one major theme in the book?

teamwork, determination, resilience, friendship 
400

What is a Grinder?

A child that was used to mine for precious materials in small spaces

400

Who did the Landers capture to gather information?

Jimmi's dad

400

Who challenges Chris and his decisions the most?

Elena

400

Who did Chris find out was a Grinder as a child?

His father

400

How did Elena survive the original attack of the Landers?

She hid under debris and waited for a chance to sneak underground

500

What is Ore?

Precious minerals/materials mined on Perses that were meant to help Earth

500

What are the Landers trying to steal?

Ore (minerals and resources mined from Perses)
500

Who is the most optimistic Minr and the most supportive of Chris as a leader?

Finn

500

Who is the voice of reason?

Fatima

500

Who helped Chris figure out the code to find the Beacon?

Fatima