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Ice is just water that got so cold it turned hard.

Ice is just water that got so cold it turned hard.

When water gets very cold, it freezes into hard, solid ice. When ice warms up again, it melts back into liquid water you can drink.

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Hot and cold are opposites — fire is hot, ice is cold. Hot and cold are opposites — fire is hot, ice is cold. Lava from a volcano is one of the hottest things on Earth. Lava from a volcano is one of the hottest things on Earth. A thermometer tells us how hot or cold something is. A thermometer tells us how hot or cold something is. The Sun is hot, but outer space is very, very cold. The Sun is hot, but outer space is very, very cold. The Sun's surface is so hot it would melt almost anything. The Sun's surface is so hot it would melt almost anything.