One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other teams.
Answer to earn energy, then climb.
Answer to charge your kart, then race.
Stack the tallest tower before it falls

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Which statement best describes weather?
What does climate describe?
A report says it is raining this morning. This is an example of what?
Which is an example of climate rather than weather?
What is climate change?
What is global warming?
How are global warming and climate change related?
What happens during the greenhouse effect?
Why is the natural greenhouse effect important?
Which is a naturally abundant greenhouse gas?
Which gas is released when people burn coal, oil, and natural gas?
Which greenhouse gas can be produced by wetlands and landfills?
Which greenhouse gas is linked to soils and fertilizer use?
Which activity releases greenhouse gases into the air?
Which item is a fossil fuel?
Why can many vehicles increase greenhouse gas emissions?
Why can high electricity demand contribute to climate change?
Which human activity removes trees that absorb carbon dioxide?
Why are forests called carbon sinks?
What can happen when many forests are cut down?
How can extra greenhouse gases warm the planet?
Which change is connected with a warming climate?
Which weather-related risk can worsen as the climate changes?
Which event is an example of a climate-related hazard?
How can drought affect farmers?
What can happen to communities after very heavy rainfall?
Why are low-lying Philippine communities at risk?
Which group may be affected by coastal erosion?
Why are many places in the Philippines exposed to climate hazards?
What was the international name of Typhoon Yolanda in 2013?
In which year did Typhoon Yolanda (Haiyan) strike the Philippines?
Which Philippine region was heavily affected by Typhoon Yolanda?
A town is facing longer dry periods. Which sector may be directly affected?
Which action helps reduce human contributions to greenhouse gases?
What is the main purpose of cellular respiration?
What does ATP provide to cells?
Which organelle produces most ATP during aerobic respiration?
Which substances are used in aerobic cellular respiration?
Which is the first major stage of cellular respiration?
Where does glycolysis take place?
What happens to glucose during glycolysis?
How many net ATP molecules are made during glycolysis per glucose?
What is one role of NADH during cellular respiration?
Where does the Krebs cycle take place in a eukaryotic cell?
Which waste gas is released during the Krebs cycle?
Which molecules carry electrons from earlier stages to the final stage?
Where is the electron transport chain found?
What is oxygen's role in the electron transport chain?
Which substance is formed when oxygen accepts electrons and hydrogen?
Which stage of aerobic cellular respiration produces most ATP?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.