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 unit measures thermal energy?
What is the unit of thermal energy?
Temperature tells us the average energy of an object’s particles.
Which object needs more energy to warm by 10 °C?
Two copper blocks at 25 °C have the same temperature even if their masses differ.
Two copper blocks are at 25 °C. Which has more total thermal energy?
A larger object always has a higher temperature than a smaller object.
Thermal energy transfers naturally from…
Ice cream is at −20 °C and room air is at 24 °C. Where does thermal energy go?
What is the temperature difference between −20 °C and 24 °C?
A bigger temperature difference usually means faster thermal energy transfer.
Temperature describes which measure of particle energy?
A tiny spark can have a very high temperature but little total thermal energy.
As an object’s temperature decreases, its particles generally…
What is the lowest possible temperature called?
If object X has a higher temperature than object Y, X must always have more total thermal energy.
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.
Grade 8 Week 5, Comparing Solubility
15 questions