Sugar & Acid - Tanis holds sugar in aluminum foil with lab tongs over flame at the stove. It turns black. Mr. Wizard explains sugar is made of carbon, hydrogen and oxygen. Ant Farmers: It’s obvious why this ant is called a leaf cutter. With its special jaws, it can quickly cut off a section of leaf the right size to carry away. Rolling Pin Code - Leila is confronted by a strip of paper with letters of the alphabet on it. It's a message with the letters rearranged. Equal Solids - Christian identifies small plastic geometric figures as a cylinder, cube, cone, sphere, a rectangular solid, and a pyramid. Hawaiian Volcano - When there is a violent eruption of a Hawaiian volcano, molten lava from deep within the earth spews forth with awesome power. Swallow Upside Down - Heather bites into an apple and is asked to take a breath and swallow at the same time.