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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.
What is true about all matter?
A reaction begins at 20°C and ends at 29°C. What happened to the temperature?
What happens to atoms during a chemical reaction?
What happens to particle motion when a substance is heated?
A sample contains only H₂O particles. How should the sample be classified?
A reaction changes from 21°C to 30°C. What does this provide evidence that the reaction did?
What happens during a chemical reaction?
Which state of matter usually has particles that are farthest apart?
A reaction changes from 26°C to 18°C. What does this provide evidence that the reaction did?
Which is the best description of an element?
Before a reaction, a model contains 4 carbon atoms and 8 oxygen atoms. What must be true after the reaction?
A reaction releases energy and the reaction mixture becomes warmer. What type of reaction is it?
A substance changes color during an investigation. What can you conclude from the color change alone?
What causes gas pressure inside a container?
A reaction takes in energy and the reaction mixture becomes cooler. What type of reaction is it?
Which is the best description of a compound?
Which temperature data provides evidence of an exothermic reaction?
Why can a gas be compressed more easily than a solid?
Which provides the strongest evidence that a chemical reaction occurred?
Which temperature data provides evidence of an endothermic reaction?
What is the best way to check whether an atom model follows conservation of matter?
A sample contains H₂O particles and CO₂ particles. How should the sample be classified?
A reaction begins at 19°C and ends at 32°C. Which statement is best supported by the data?
Ice melts into liquid water. Which statement is correct?
Which observation would provide evidence that a reaction took in energy?
What does the Law of Conservation of Mass tell us?
A student wants to investigate whether a chemical reaction releases or takes in energy. What should the student measure?
Which statement about a pure substance is correct?
A reaction begins at 30°C and ends at 22°C. Which statement is best supported by the data?
Why should a student measure temperature BEFORE and AFTER a 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.
Flowering and Non-flowering Plants
25 questions
