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All About Snow
Up in the Clouds
Clouds are made of very tiny drops of water that float in the air. When the air in a cloud is very cold, the drops of water freeze. Then they become tiny ice crystals.
The ice crystals in a cloud are moving. When the ice crystals bump into each other, they stick together. A snowflake starts to form. The snowflake gets heavier as more ice crystals stick to it. Soon it is heavy enough to fall to the ground.
Snowflakes come in many different shapes. Here are a few examples:
Wet Snow and Dry Snow
Wet snow is snow that sticks together. You need wet snow to make a snowman. Wet snow forms when the air is just a little warmer than 0°C. The edges of the snowflakes melt, and many snowflakes stick together to create large flakes. Wet snow is heavy to shovel.
When the air is 0°C or colder, snowflakes stay small because they do not stick together. People call this dry snow or powder snow. Dry snow is great for skiing, but drivers do not like it very much. On a windy day, dry snow blows across roads and makes it hard for drivers to see where they are going.
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1. What makes tiny water drops in a cloud turn into ice crystals?CorrectIncorrect
2. How do ice crystals turn into a snowflake?CorrectIncorrect
3. A very tiny snowflake might not fall to the ground. Why not?CorrectIncorrect
4. Use information from the text and your own ideas to explain why it is impossible to make a snowman from dry snow.
Great answer!Great answer!
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5. What kind of snow has larger flakes?CorrectIncorrect