by STAO ADMIN | Nov 14, 2019
This demonstration shows some differences between potable (drinkable) water and non-potable (non-drinkable) water. Variations in temperature, turbidity and pH level also determine the types of microorganisms that can thrive in each water sample. After the...
by STAO ADMIN | Nov 14, 2019
Food containers are common sources of waste. These materials can end up in landfill or be diverted by thinking of the 3 Rs: Reduce, Reuse, Recyle. Students will examine product packaging to assess packaging in terms of sustainability through the 3 Rs. Students work in...
by STAO ADMIN | Nov 12, 2019
Although all students know that it is essential to wear safety goggles during many science investigations, it can be helpful to provide a powerful demonstration showing why this is so important. This quick and easy demonstration can illustrate the necessity of...
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