Question

what is a thermal in physics?

Answer 1

The word thermal refers too heat

Answer 2

☆ Hey! ☆

many soaring birds make use of thermals to climb effortlessly higher in the sky without flapping their wings. a thermal results from the convection of air. as the sun warms the ground or the water at the surface of the sea, the air near the surface becomes warm. warm air is lighter than cooler air and so it rises. the upward convection current is called a thermal.