Conduction Scott touches the hot glass on the window and his hands are pretty cold. When his hand touches the glass the heat transfers through direct contact and since the heat passes into colder objects his hand gets really hot and it hurts him.
Convection Scott was washing his hands since they were cold. He turned the water on hot but that burnt his his hands because the heat from the water transferred to the cold on his hands making them really hot
Radiation Scott was making burgers on the grill but the flame got a little to high on the grill and burned Scott but he was standing 3ft away. Even though he was the fire radiated heat waves and it still burnt him.