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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.
Why does increasing the temperature generally increase the rate of a chemical reaction?
Two identical samples of a reactant are allowed to react. Sample A is kept at 25°C, while Sample B is heated to 50°C. Which is most likely to happen?
Which situation best demonstrates the effect of concentration on reaction rate?
Why does increasing the concentration of a reactant generally increase the reaction rate?
A student compares a whole antacid tablet with the same amount of antacid in powdered form. The powdered antacid reacts faster. Which factor best explains this observation?
Why does reducing the particle size of a solid reactant increase its reaction rate?
Which statement correctly describes a catalyst?
A catalyst is used repeatedly in a chemical reaction because it is ___________________________________.
Which statement correctly compares a catalyzed reaction with an uncatalyzed reaction?
Which application best demonstrates how controlling temperature can slow down a chemical reaction?
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
