This is an example of light and thermal energy in a candle. The candle is very bright and an excellent source of light energy. It also has thermal energy because it is very hot.
This is an example of mechanical and sound energy in a radio. It has mechanical energy inside of it so that it can operate. It has sound energy because it releases sound waves that go to your ears so that you can hear what it is saying.
This is an example of thermal and mechanical energy in a stove. A stove has thermal energy because it uses fire which is a heat source. A stove also has mechanical energy because it has buttons and knobs to turn on and off the fire.
This is an example of sound and thermal energy in a microwave. Popcorn in a microwave has thermal energy because the microwave uses heat to pop it. Popcorn in a microwave also has sound energy because when the popcorn pops we can hear it.