Application: In your groups,write down your object or draw a picture of your object. With a scale, weigh your object. Write down the reactions of your object in plain water.

object                            picture                                        reaction

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object 1                                                                      sink             float

object 2                                                                    sink               float

object 3                                                                   sink                float

object 4                                                                   sink                float

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Now put 2 table spoons of salt in the water.  Write down what happened to each object.

object                          picture                                    reaction

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object 1                                                                                sink     float

object 2                                                                               sink     float

object 3                                                                               sink     float

object 4                                                                               sink     float

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Why do you think things changed when salt was added?

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