Primary 5 have been learning about health and hygiene. We discussed the importance of brushing our teeth. We carried out three experiments to see the impact of drinking fizzy drinks.
Experiment 1
To investigate the effect cola has on a coin
Experiment 2
To investigate the effect of rubbing brown sauce on a coin
Experiment 3
To investigate the effect of cola on a fresh , uncooked egg
We have made predictions and will see the results tomorrow morning.
Predictions
The coin will dissolve.
The coin will turn black.
The coin will be stained.
The egg yolk will turn black.
The egg will crack.
The egg will float up to the top.
