Science Sotry Board


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Storyboard Text

  • Show Breif layout of Equitment on Video
  • Layout the - 2 eggs - 2 cups - Salt
  • Introduce ourselves (Marco, Billy, Ryan) and explain what we are going to talk about. Put in the video the definition of density.
  • Place Equipment out on the bench and explain the steps
  • Place the 2 cups next to each other with the 2 eggs beside it.
  • While doing so explain brefiely what and how denisty works and go into a more complicated explanation later in the video
  • Do the experiment
  • Pour the same amount of water in each cup.
  • Then pour salt into one of the cups
  • Place one of the eggs in the the normal water and 1 into the salt water
  • Observe the results
  • Seawater is denser than both fresh water and pure water because the dissolved salts increase the mass by a larger proportion than the volume. The freezing point of seawater decreases as salt concentration increases.
  • The eggs float according to the change in density in the water.
  • Explain how the experiment worked
  • All heavy things will sink and light things will float. This is true but not the whole story. A heavy log will float and even though a paper clip is light it will sink
  • Show some pictures and videos of how the density is different in sea water to normal water. Some examples of floating and sinking objects
  • Show some examples
  • Objects that a more denser than the water will sink and objects that are less denser than the same amount of water will float.
  • I have some pictures that i can not upload. They explain how certain things will float and sink because they and more or less dense than the same amount of water
  • Finally finish off the video with a bibliography of were you got some of the images and information from.
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