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Activity 2 GRADES K-12 Materials: In the Box Safety goggles Plastic beaker Measuring spoon Re-sealable plastic bag Baking soda Wooden splints Matches or lighter Provided by User A glass of water Vinegar Worksheets None Reference Materials None Key Terms: None A Demonstration on Producing Carbon Dioxide Time Requirements: 20 minutes Objective: In this activity, students will learn about the properties of objects and materials, properties and changes of properties in matter, chemical reactions and energy transfer, as they see how carbon dioxide can be produced via the chemical reaction between baking soda and vinegar. Activity Overview: Students will watch a demonstration where baking soda and vinegar are combined to produce carbon dioxide. This will be confirmed by use of a burning splint. CAUTION: This activity uses an open flame and as such, care should be taken to avoid an unwanted fire. This is especially true when it comes to disposing of the materials afterwards. Ensure that the wooden splint is thoroughly soaked in water before disposal to prevent re-ignition while in the waste receptacle. 1. If Activity 1 has not already been completed, use the Background information provided to discuss the science behind greenhouse gases, global warming and how correct levels of both carbon dioxide and oxygen are vital to a healthy planet. 2. Explain that in this activity you will demonstrate how to produce pure carbon dioxide using baking soda and vinegar. You may wish to explain that baking soda is used in cooking to create foods which need to rise, such as cakes. 3. Place 1 teaspoon of baking soda into a re-sealable bag and ensure the soda falls to the bottom. airspace 11 MUSEUM IN A BOXPDF Image | Making Oxygen and Carbon Dioxide NASA
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