Objective: Children will learn about scientists and conduct an experiment using vinegar and baking soda.
Scientists are very curious people. They have many questions and they do experiments to find the answers to their questions. They ask questions using words such as why, where, and how. Scientists also hypothesize (have ideas about things and then do experiments to see if they are correct) and make predictions (use their experience and knowledge to guess what might happen when trying something). Scientists work in a variety of businesses and career fields. Scientists are involved in making things like medicine, food, paint, toys, and personal care products like soap and make-up.
Baking soda, a common household product, has the chemical name sodium bicarbonate. Vinegar, another common household product, is a combination of water and acetic acid. Both items contain chemicals and when you combine them, there is a chemical reaction. When the vinegar and baking soda are mixed together in this experiment, a new chemical, called carbonic acid is made. As soon as it is formed, the carbonic acid begins to decompose (break down into simpler parts) and become a gas (carbon dioxide). The carbon dioxide gas then creates bubbles.
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.