They will melt since they are made mostly of wax.
They will probably melt.
If the microwave is not energized, then the food will spoil. If the microwave is energized, then the food will burn.
Boom.
If the chalk is dry, nothing.
The first bit of methanol to vaporise will fling methanol all over the inside of your microwave.
the baby is born with telekinetic powers, as well as a coupon good for a free microwave
Crayons are made of wax. Wax melts in heat. That's your answer.
Put the crayons in the microwave.
If the microwave is not energized, then the food will spoil. If the microwave is energized, then the food will burn.
It crackles and pops. You would probably have to get a new microwave if you attempted this at home.
nothing would happen the microwave does not know if there is anything in there or not.
Nothing
Boom.
it gets nuked
Putting things with metal in a microwave causes sparks to fly.
There are no dangers of putting a baby's bottle in the microwave.
xdunno
nothing good