Objective: Children will explore the amount of water that results from snow when its melted.
Note: The children will be working in groups of 4 for this activity.
A snowflake contains less water than a raindrop. The amount of water from a bucket of melted snow depends on whether the snow was light and fluffy or heavy and wet. Snow that is light and fluffy has more air pockets and has less water. Snow that is heavy and wet has more water. Ten inches of snow will melt to become only about an inch of water.
Snow is a buildup of ice crystals that fall from the sky. When the temperature falls below 32 degrees Fahrenheit, a tiny water drop sticks to a small bit of dust. These small bits of dust are carried up into the atmosphere by the wind. The water drop that stuck to the dust turns into an ice crystal. Ice crystals stick to each other and form snowflakes. As snowflakes grow, they become heavier and fall to the ground. Snowflakes are all sizes and shapes, and every snowflake is different.
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These lessons are aligned with the Common Core State Standards ("CCSS"). The CCSS provide a consistent, clear understanding of the concepts and skills children are expected to learn and guide teachers to provide their students with opportunities to gain these important skills and foundational knowledge.
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There are currently no Common Core Standards for pre-k, but these lessons are aligned as closely as possible to capture the requirements and meet the goals of Common Core Standards. However, these lessons were neither reviewed or approved by the National Governors Association Center for Best Practices or the Council of Chief State School Officers, which together are the owners and developers of the Common Core State Standards.
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