First, take a cup filled with water and place ... Simply take a handful of ice cubes and place them in a sealed plastic bag. If you look at the bag and the ice is still properly formed as cubes ...

From fish and turtles in oceans to bears in the polar ice caps ... are about to eat those noodles from a plastic container or slurp juice from a plastic cup, rethink whether it is really worth ...

This story is part of Planet or Plastic?—our multiyear effort to raise awareness about the global plastic waste crisis. Learn what you can do to reduce your own single-use plastics, and take ...

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 ...