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Royce, Christine Anne – Science and Children, 2015
December brings the winter solstice, the day with the shortest amount of sunlight for the northern hemisphere. Students can notice the pattern of days getting darker earlier across the United States up to this point and then notice as the amount of sunlight starts to increase in the following months. Through making observations and collecting data…
Descriptors: Science Instruction, Teaching Methods, Observation, Astronomy
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Robertson, Bill – Science and Children, 2015
This task asks readers to figure out why when you stir a cup of hot liquid and tap on the side of the cup with a spoon, the pitch of sound starts low and ends up high. The solution to last month's tasks relating to the circumference of the Earth and how many stars are in the (visible) sky is also presented.
Descriptors: Science Activities, Science Instruction, Elementary School Science, Scientific Concepts