Where do you think that moisture comes from? Try this experiment to see if you can figure it out! Put ice cubes into two clear plastic cups until they are about ½-full. Pour cold water into both cups ...

4. Do a demonstration to show how the temperature changes when a cup of warm water is placed in a container of ice water. Put warm water (40 °C or about 100 °F) in a small clear plastic cup until it ...

Days after a winter storm dropped ice and record-breaking snow, cleanup efforts were underway Thursday in several major Southern cities such as New Orleans, whe ...