Why is the sky blue?Light scattering by small particles · Subclass of: scattering–——
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Why is the sky blue?Light scattering by small particles · Subclass of: scattering–——
Why do boats float?Upward force that opposes the weight of an object immersed in fluid · physical phenomenon–——
Why does ice float?Frozen water; the solid state of water · type of physical object–——
How do planes fly?Force perpendicular to flow of surrounding fluid · force–——
Why do magnets attract?Class of physical phenomena · Subclass of: physical phenomenon–——
Why do seasons change?Division of the year · Subclass of: time interval · season–——
What causes eclipses?Astronomical event where one body is hidden by another · Subclass of: syzygy · astronomical phenomenon · occurrence–——
Why do rainbows appear?Meteorological phenomenon · phenomenon–——Showing 8 of 8