Science
Layers of the Earth: Journey to the Center
Students use a data table to learn the four layers of Earth, convert real distances to a paper scale model, and judge how far humans have drilled.
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Science
Waves and Light: Wavelength, Frequency and the Spectrum
Students label wave parts with a word bank, solve wave speed problems, order the electromagnetic spectrum and answer questions on light and sound.
Science
Waves and Sound: Wavelength, Frequency and Speed
Students match wave vocabulary, use v = f × λ and echo and thunder timing to find wavelengths and distances, and classify waves as transverse or longitudinal.