WWB Trainer
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Topic:
Science
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Observe and measure.
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What property of sound changes when it moves from air to water?
Speed (not frequency, not wavelength)
Science Story
Waves.
In physics, what does apparent “stillness” usually represent?
Dynamic equilibrium
Science Quote
Impermanence.
When and where did blue eyes originate?
One person about 8,000 years ago near the Black Sea
Science FAQ
Banana vs. Human DNA.
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