As part of this seven-lesson unit, which is designed to be facilitated …
As part of this seven-lesson unit, which is designed to be facilitated over 10-15 days, students examine several underreported global news stories of human interest that focus upon the displacement of youth worldwide. They also evaluate how this displacement fosters both individual and collective empowerment for positive social change. Students process their analysis through the creation of original videos and scripts that capture personal connections they have made to themes in the articles they explored.
Students use modeling clay, a material that is denser than water and …
Students use modeling clay, a material that is denser than water and thus ordinarily sinks in water, to discover the principle of buoyancy. They begin by designing and building boats out of clay that will float in water, and then refine their designs so that their boats will carry as great a load (metal washers) as possible. Building a clay boat to hold as much weight as possible is an engineering design problem. Next, they compare amount of water displaced by a lump of clay that sinks to the amount of water displaced by the same lump of clay when it is shaped so as to float. Determining the masses of the displaced water allows them to arrive at Archimedes' principle, whereby the mass of the displaced water equals the mass of the floating clay boat.
In this activity, learners use basic measurements of the Earth and pieces …
In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth. Learners will calculate mass, volume, and density, convert units, and employ the water displacement method. To calculate an even more accurate estimate of the mass of the Earth, this resource includes optional instructions on how to measure the iron core mass.
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