Question

Which action best demonstrates the transformation of mechanical energy to heat energy and light energy?

striking a matchstick
squeezing a sponge ball
rubbing hands vigorously
releasing a stretched spring

Answer 1

STRIKING A MATCHSTICK

Answer 2

Explanation:

$\huge \blue{a} \orange{n} \green{s} \red{w} \purple{e} \pink{r}$

♠ striking a matchstick