When 10 g of ice were added to 100 mL of water at 25 °C, the temperature of the water decreased to 15.5 °C after the ice melted.

The ingredients of Ivory soap were analyzed to see whether it really is 99.44% pure, as advertised.

Hot air is less dense than cold air, probably because the components of hot air are moving more rapidly

Ice always floats on liquid water.

Birds evolved from dinosaurs.