Eighth graders gain an understanding of waves and of the properties that all waves have in common. Groups of students rotate between science centers, each of which demonstrates an individual property of a wave. They share their observations.
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The Effects of Earth’s Upper Atmosphere on Radio Signals
Assist your class with understanding how Earth's atmosphere is affected by radio signals. They discuss current knowledge of radio waves and construct an aluminum screen to mimic the effects of the ionosphere. They continue the...
8th - 12th Science