![]() Students will record their observations and answer questions about the activity on the activity sheet. So it is possible that different amounts of water could have the same density. The bucket with less mass has less volume. Could both the small and large amounts of water your classmate lifted have the same density? Students may point out that the bucket with more water has more mass but a greater volume. But students may realize that they should somehow find the mass and volume of the water first. It is meant as a lead-in to the investigation. How do you think you can find the density of a liquid like water? Students are not expected to be able to fully answer this question at this point. Because D=m/v, water must also have density. Do you think a liquid, like water can have a density? Students should realize that water has volume and mass. The bucket containing more water has more mass.Īsk students: In lessons 3.1-What is Density? and 3.2-The Water Displacement Method, you found the density of solids, by measuring their mass and volume.
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