15 Questions Physical Science: The Science Behind Easter Treats This kahoot reviews the chemical changes, energy transformations, and chemistry behind the science of traditional Easter dinners and Easter treats from around the world. Science_by_Kahoot, 03/19/2018 answers Play What kind of change occurs when the traditional ham or lamb is cooked for Easter dinner? a chemical change a physical change When baking hot cross buns & braided Easter bread, what gas is released from the dough's sugar? hydrogen nitrogen oxygen carbon dioxide What happens when carbon dioxide is released from sugars in bread dough? it becomes sweeter it hardens the dough it makes the dough rise it makes the dough softer … and 12 more awesome questions! Check them out by clicking “Play”.