This was the first time Tiger has taken penicillin in such huge dosages. He called it 'yucky-cillin'. I don't blame him. The medicine had such awful taste that I thought Tiger did really well to swallow it.
Even though he was lethargic most of the time, he was still keen to do science experiments, so I looked through Biology for Every Kid for Zoology experiments (so as not to deviate too far from our current science topic - organisms). Lo and behold! The first few experiments in the Zoology section are about moulds, which were very relevant to Tiger's experience with penicillin. He was not too pleased to learn that penicillin is actually a type of mould.
Experiment 1: To grow bread mould
|Materials we used|
|Adding drops of water to the bread|
|Day 0 - damp bread sealed in ziplock bag|
|Day 1 - no observable change|
|Day 2 - still no observable change|
|Day 3 - moulds are becoming visible|
|Day 4 - obvious moulds!|
Experiment 2: Effect of yeast on sugar solution
|Materials for this experiment|
|Making yeast + sugar solution|
|Day 0 - 2 hours later|
|Day 2 - balloon was the same size as Day 1|
Experiment 3: Effect of preservatives on bacterial growth
|Materials for experiment 3|
|Day 1 - no obvious changes|
|Day 2 - 'control' was most cloudy (indicates mould growth)|
|Day 3 - clear vs cloudy becomes more obvious|
|Day 4 - 'control' (in the middle) is the cloudiest|
|Day 4 - birds' eye view. Mould is seen in the middle 'control' glass.|
This post is linked up to several blog hops, where you can visit to see what other homeschoolers have been busy with. It is also linked to the December edition of Hands-on Homeschooling Blog Carnival.