MATERIALS: bread soda, vinegar
APPARATUS: balloon, a bottle
METHOD
STEP ONE; Pour the vinegar into the bottle. Pour in enough to fill a quarter of the bottle.
STEP TWO: Put 4 teaspoons of bread soda into the balloon. Next, attach the balloon to the bottle.
STEP THREE: Be sure the balloon is facing upwards. Last stand back and wait! (You may need to stand near a sink for this!)
RESULT: We discovered that the bread soda mixes with the vinegar to make a gas called carbon dioxide CO2. This gas blows up the balloon for a minute or two. This happens because the bread soda is mainly made of sodium, hydrogen, carbon and oxygen. The vinegar changes the parts causing a gas to be released which inflates the balloon.
Here are some photographs of our experiment!
It looks like everyone was really enjoying this science experiment, ahead of Science Week next week.
We really enjoyed it!!