Sound Unit

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The children completed a variety of science experiments for our sound unit. This was a loud unit for the classrooms that were close to ours.  We were able to make horns and see how pitch changes with the length of the straw. We have been reviewing  the specific vocabulary terms for this unit. Your child should have brought home flashcards to practice last week. Our test will be on Thursday, January 12th.  An online quiz, matching game or printable flashcards can be viewed by clicking on the picture below:

If your child would like to visit websites that provide a review, as well as, allow them to experiment with sounds, instruments, pitch and vibration, click on the pictures below:

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Light Bulb Needed

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Our next science unit is Reduce, Reuse and Recycle. Please send a light bulb in for your child to use for a recycling project by Tuesday, December 6th. It does not need to work and can be any size, so check your house for the ones that no longer work. This is a perfect way to recycle. The twisty energy-efficient ones will not work well for what I have in mind.

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Earth Materials Science Unit

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We have been focusing on Earth Materials. In this unit we observed soil and sand. We also discussed rocks, minerals, and fossils. This is a review sheet that came home with your child today.

  • Sedimentary rock is formed in layers and has many fossils.
  • You can decide the age of a rock layer by finding its position in a series of layers because the top layer is the  youngest and the bottom layer is the oldest.
  • Fossils are clues of past changes in the earth’s surface and climate. A seashell fossil found on land far from the ocean gives us a clue that the land was once under water.
  • Examples of parts of organisms that become fossils are the bones, skull, shell or teeth.
  • mineral is a solid that forms naturally, is not alive, and has the same chemical make-up wherever it is found.
  • Rocks are made up of at least two minerals.
  • Minerals can be recognized by color, luster, texture, streak, and hardness.
  • Rocks formed in layers and usually formed near water are called sedimentary.
  • Rocks formed by changing materials under heat and pressure are called metamorphic.
  • Rocks formed when melted rock (magma) is forced up from the Earth and cools are igneous.
  • Rocks can change form from heatpressure, and chemicals.
  • Properties used when observing rocks are their color and size.
  • Soil are small bits of crushed rock containing living or once living matter.
  • Sand are rocks broken into smaller pieces by water, wind, and pressure.
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