Mrs. Nikki Walker's class is studying physical and chemical changes. Last week they conducted several experiments to learn the signs that a chemical change has occurred. The students used glow sticks to demonstrate production of light and "hot hands" warming packs for the production of heat. Production of gas is hard to see, so the class had to capture it. Students used baking soda and vinegar to make a chemical change and captured the gas it produced with balloons! They finished off their studies by conducting more "virtual" experiments online using their MacBooks.
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