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 team.
Answer to earn energy, then climb.

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.
Where in the human body are the lungs located?
Which bone structure protects the lungs?
What texture best describes the lungs?
Which gas do humans need to breathe in to live?
Which gas is created as a waste product by the body and breathed out?
What carries oxygen from the lungs to the heart and the rest of the body?
When you breathe in, what happens to your ribs?
What happens to the diaphragm muscle during breathing out?
When you breathe out, how does the size of your chest change?
In the lung model made with a plastic bottle, what does the straw represent?
In the lung model, what does the balloon placed inside the bottle represent?
In the lung model, what does the bottom cut balloon represent?
Which part involved in human breathing is NOT represented in the plastic bottle model?
What is defined as the number of times we breathe in and out in one minute?
On average, about how many times do we breathe in and out every minute at rest?
Why does breathing rate increase during exercise?
Which graph type is recommended to display breathing rate data recorded over time?
What was used in the investigation to seal the neck of the bottle so air only entered through the straw?
What tool is needed to accurately measure breathing rate per minute?
Air enters the human body through which two parts?
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.
40 questions