item bank An oven that cooks by cycling warm air through the bottom and out the top.Grabbing a warm coffee mug to warm your hands.Warm water rising to the surface of the ocean and cooler water sinking.Cooking popcorn using a microwave.Warm air rising off of the pavement.Burning yourself by touching boiling water.Heat from a fire warming your hands.Heat from the sun hitting a solar panel.Putting an ice pack on an injury.The handle of a pot becoming too hot to grab as it cooks on the stove