Solid, Liquid or Gas

Look at the sign. Tap the solid, the liquid, or the gas it shows!
Every right answer gives your kart a boost. Every 10 right = SUPER BOOST! Reach the finish line after 50 questions!

Look at the sign. Tap the solid, the liquid, or the gas it shows!
Every right answer gives your kart a boost. Every 10 right = SUPER BOOST! Reach the finish line after 50 questions!