Think about all the ways you can make heat. Put a log on a fire and it burns, creating heat. Run around the playground and your body gets warm. Turn up the thermostat on the furnace and warm air flows from the vents. Or, rub your hands together and you'll notice heat. Fun...

What is temperature exactly? Well, you know how it feels to stand outside waiting for the bus in cold weather. You also know how a hot bath feels....