TEKS DOK Ski Builder
As Ellie rubs two coins together, the coins
become warm. Which statement correctly
explains why this happens?
A The rubbing action changes chemical
energy into mechanical energy,
which is transferred as heat.
The rubbing action produces heat as
the particles in the coins vibrate. The
heat is transferred as thermal energy.
The rubbing action produces
mechanical energy, which is
transferred as heat and chemical
energy.
The rubbing action produces thermal
energy as the particles in the coins
move faster. The thermal energy is
transferred as heat.
Tim
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