Jan 12, 2012

Chemistry and Safety

Here's one snippet from what Ms. Eda did with the children this week.

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Chemistry:

We introduced chemistry as a type of science that studies matter. We talked about the elements in the nature and how different they are in terms of their properties. We touched and felt two elements, gold and aluminum and talked about their differences. We looked at the periodic table and what it is about and then we read a book about matter and forms of matter (solid, liquid and gas). We discussed examples of all the types of matter and found how these forms exist in our bodies (e.g. solid:bones, liquid: blood, gas:air in the lungs). We touched, smelled, and even tasted different types of matter including lemon juice, salt, baking soda, alcohol and vinegar.

We later demonstrated how chemical reactions occur when we mix some elements.
(Vinegar + baking soda --> Chemical reaction that creates a new matter which is gas).

To make it fun, we loaded a ziploc bag with a lot of vinegar and baking soda and sealed it and shook it and saw how the bag got filled with air and popped..

Also discussed safety. Did role playing on how to respond when a stranger talks to us. What an emergency is, and what we need to do when there is emergency. Calling 911 and getting help.

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