What is water made of? Molecules and chemistry
A big ocean wave The first molecules of water formed out in space, about 14 billion years ago, as part of the nebula left over after an early star exploded [...]
A big ocean wave The first molecules of water formed out in space, about 14 billion years ago, as part of the nebula left over after an early star exploded [...]
Ice chemistry: Perito Moreno glacier, Argentina (thanks to Argentina's Travel Guide) How water freezes into ice When water gets colder than 32 degrees Fahrenheit or zero degrees Celsius, it freezes [...]
Ice floats: A glass of ice water A project with ice To see that ice takes up more room than water does, stick a piece of tape to a glass [...]
Food coloring and water project - A glass of water How can we see molecules move? To see that water molecules move around even when the water seems to be [...]