This is a PDF poster (24" x 36") that gives a simple definition and 6 examples of light sources. This resource correlates with science standards for first grade in most states; usually a unit on Light & Shadows or Waves: Light and Sound. I used a similar (hand-drawn) poster when teaching our Light & Shadows unit in 1st grade. I found it had a fabulous impact on students using the science vocabulary, "light source", and enabled students to use the words more easily when writing and reading…
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