Objective: Children will learn about the role of a banker as a community helper and use coins to experiment with water on surfaces.‹ Return to Theme
Banks are a special kind of business in our community. They help us to save and manage our money. People who work in a bank have a variety of jobs. The bank teller is the person who greets you at the bank and helps you with deposits (putting money into your bank account) and withdrawals (taking money out of your bank account).
The water droplets gather and stay on the surface of a coin as a result of surface tension. Water molecules do not like to separate from each other, so they cling together. The molecules that are closest to the surface, like the outside of a water droplet, cling even tighter to the water molecules that are near it. The water molecules on the surface of the droplet hold on to the other water molecules so tightly that they form a tight surface. If the water is on a smooth surface, like a coin, a rounded surface or droplet is created.
The United States mint is responsible for making all of our money. The mint began making money in 1792. The mint produces millions of coins a day. Pennies are made from a combination of the metals copper and zinc. Nickels, dimes, and quarters are made from a combination of copper and nickel.
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.