To determine quickly if a particular glass or ceramic vessel is safe for use in a microwave oven, place the empty container in the microwave and "cook" it for 1 minute. How should the container feel to be considered safe?

Question

Quizplus · Accepted Answer

If the container remains cool while the microwave is operating, it indicates that the microwaves are passing through it without being absorbed, making it safe for use in the microwave. Containers that absorb microwaves and become hot can damage the microwave and may not be safe for cooking or heating food.

To Determine Quickly If a Particular Glass or Ceramic Vessel