Water Basics Photo Gallery

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Looking at water, you might think that it's the most simple thing around. Pure water is practically colorless, odorless, and tasteless. But it's not at all simple and plain and it is vital for all life on Earth. The pictures below will help you explore the basic concepts and facts about water.

• All of Earth's Water in a single sphere
• Aqueducts have been around since Roman times
• Coastlines change over time due to climate change
• Ice caps contain a significant amount of Earth's surface water
• In outer space, water forms a sphere
• Life on Earth thrives near water
• Multiple rainbows seen at once is a rarity
• Ninety percent of an iceberg is below the waterline
• Rainstorms can be localized or widespread
• A sundog is similar to a rainbow, and more common than rainbows
• The Gulf Stream is a "river" in the ocean
• Sea levels rise and fall over time
• Water can be used to cut metal
• Why is the ocean salty?