by Jeff Snyder

25 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Two teams place stones on a Go-style board by answering correctly. Capture territory to win.
2 teams, up to 40 students
The class is trapped in a biolab. Answer questions to restore power and crack the passcode to escape before zombies break in.
Whole class, up to 40 students

The whole class works together to blast through walls and defeat monsters. Correct answers deal damage to the current obstacle.
Whole class, up to 40 students
Two teams pull a rope. Each round, the team with more correct answers tugs the rope their way. Pull the other team into the mud to win.
2 teams, up to 40 students
Answer a question, then swat bugs on screen for bonus points. Combines quiz review with an action mini-game.
Up to 40 students
Students race through questions at their own speed. Streak bonuses reward consecutive correct answers. Power-ups add chaos.
Up to 40 students
Teacher-paced. Each question appears on every screen at once. Speed bonuses for fast answers. Live leaderboard on the projected screen.
Up to 40 students
What is glowing like a river at the start of the article?
What could happen if Joanne Green is not careful?
What is Joanne Green’s job?
What does a volcanologist study?
Which volcano is Green studying in Hawaii?
Where does a volcano begin?
What is the layer of rock below Earth’s crust called?
What changes rock into liquid below Earth’s crust?
How does liquid rock move upward?
About how many of Earth’s volcanoes are active?
What is an active volcano?
What is runny lava compared to in the article?
What kind of mountain does runny lava usually form over time?
What is thick lava compared to in the article?
What kind of mountain does thick lava usually form over time?
Where are most volcanoes found?
What is the Ring of Fire?
Where do many volcanoes form?
Why do some people farm near volcanoes?
Why can living near a volcano be dangerous?
Which volcano erupted in Washington in 1980?
What blasted out of Mount St. Helens in 1980?
Why were few people ready for the eruption?
What happened to the trees and wildlife in the path of the blast?
What is the main idea of the article?
