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- Grade Range
- 3rd - 9th
- Rating
Students make calculations of population density to recognize the stressful conditions experienced by European ghetto dwellers due to high population density and scarcity of resources. Full Review »
- Grade Range
- 6th - 8th
- Rating
Students realize that density exists. They develop a mental model of density-to realize that something is going on that they cannot see to account for differences between materials. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students compare the densities of several wood species using two different methods. Relative buoyancies and actual measurement values are utilized in this experience. Full Review »
- Grade Range
- 9th - 12th
- Rating
Students consider density and how it affects sinking and floating. Students make predictions, test liquids, and observe why some liquids sink and others float. They perform experiments to determine relational causality and how liquids layer. They also apply relational causality to liquid layers. Full Review »
- Grade Range
- 7th - 12th
- Rating
Students explore what causes differences in density. They observe an models depecting atoms, compounds, and molecules. Students determine if there is air in between atomic bonds. They study the structure and spacing of molecular bonds. Full Review »
- Grade Range
- 7th - 12th
- Rating
Students investigate density and its relationship to air and gas. Students perform experiments to determine if gases have mass. They explore possible ways to figure out the density of gases. Full Review »
- Grade Range
- Higher Ed
- Rating
Students watch the teacher do a demonstration of density with diet and regular soda. Note: try this first, as different types of artificial sweetener have different densities. Students discuss density and volume. They discuss "Relational Causality." Students use diagrams to show how heating a thermometer is similar and different to the soda can density experiment. Full Review »
- Grade Range
- 2nd
- Rating
Students watch a demonstration and complete an experiment to determine how an objects' density allows it to float or sink. They work in small groups to assimilate the characteristics of items that float as opposed to simply labeling them as heavy or light. They meet as a whole class to share the findings of their experimentation. Full Review »
- Grade Range
- 2nd - 3rd
- Rating
Students apply knowledge about density of solids from previous experimentation to this activity which they investigate the density of liquids. They work in small groups to mix water and syrup, and water and oil to see what occurs. Finally, they complete a worksheet and discuss the results of the experimentation. Full Review »
- Grade Range
- 4th - 5th
- Rating
Students observe experiments in density and describe the results. In the experiment, milk, corn syrup, and oil are added in different orders to three glasses, while one other glass contains only water. As objects are dropped into each glass, students note in which liquids they floated and in which they sank. Once they conduct the experiments themselves in groups, students discuss their findings. Full Review »
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