Sodium bicarbonate in pancakes

In what state is carbon dioxide at room temperature?

• solid

• liquid

• gas

• none of them

What ingredient makes the pancake thicker when preparing the pancake dough ?

• flour

• sodium bicarbonate

• carbon dioxide

• sugar

How can you tell carbon dioxide is produced when making pancakes?

• gas bubbles (holes)

• brown colour

• sweet taste

• sour taste

Except from carbon dioxide, what other simple chemical is produced when sodium carbonate reacts with citric acid?

• ammonia

• oxygen

• lemon

• water

Do you think warming up the pancake mix makes the reaction (producing carbon dioxide) slower or faster?

• faster

• slower

• I don't know

Give another examples of cooking that produce carbon dioxide

• cooking an egg

• making a cake

• making noodles

• making rice

What equipment was NOT used in this experiment?

• a beaker

• a spatula

• an oven

• a heating plate

What could be improved in this experiment?

• Use strawberry flavor

• Heat the hot plate faster

• Make the pancake bigger

• Use more flour to make the pancake