Anthony is performing an experiment. He adds 0.25 grams of baking soda to 5 grams of water and stirs. Anthony watches as the baking soda dissolves in the water. If Anthony weighs the water and baking soda solution, what will its mass be?
Which property of an ice cube remains THE SAME before and after it melts?
John filled a bottle half way with water, placed a lid on it, then put it in the freezer. How does the weight of the water and bottle compare before and after it is in the freezer?
Which is the best example of a change that can be undone?
Which change is most likely to produce a new substance?
Water is boiled and turns to vapor. The vapor is cooled and changes back into water. Which best describes what has occurred?
Which example best describes a physical change?
Which describes a chemical change?
Which type of change occurs when the size, shape, appearance, or volume of a substance is changed without changing its composition?
Which best describes an activity that results in a new material being formed?
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