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The Science House: Dancing Spaghetti
The chemical change of matter is illustrated in this lab experiment when spaghetti is placed in a solution of baking soda and vinegar. Watch the spaghetti rise to the surface and sink again once the gas is released.
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The Science House: Combustion
In this experiment, students will observe that the weight of the product of combustion is greater than that of the starting material. Teacher's notes address the key concepts of this experiment.
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The Science House: Ziptop Bag Chemistry
In this experiment, three reactions are performed in a sealed Ziploc bag so that they can be observed. Students identify whether physical or chemical change has taken place.
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Classifying Matter and Changes in Matter
Learn to identify changes in matter and explain what happens as matter changes. The lesson is supplemented with several experiments to reinforce key concepts.