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LAB: Chemical Reactions

In this hands-on experiment, students will observe a classic chemical reaction between baking soda and vinegar. Using common materials such as baking soda, vinegar, and a plastic bag, participants will conduct a safe and engaging experiment while learning about the composition of substances and gas formation. The procedure guides students through the steps of measuring ingredients, combining them, and observing the results. This activity not only enhances understanding of chemical reactions but also fosters critical thinking and analysis through drawing and documenting observations.

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LAB: Chemical Reactions

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Presentation Transcript

    1. LAB: Chemical Reactions Created by: Mrs. Williams 11/20/06

    2. Materials Goggles 1 plastic bag per table 1 cup baking soda 10 mL vinegar 50 mL graduated cylinder Funnel plastic spoon

    3. Materials

    4. Procedure Step 1 Using a spoon, place one spoonful of baking soda into the small cup.

    5. Step 1 (cont.) Notice how I have a SMALL spoonful of baking soda.

    6. Step 1 (cont.)

    7. Procedure Step 2 Using a funnel, pour 10 mL of vinegar into a new, clean graduated cylinder.

    8. Step 2 (cont.) Fill to the first big line (10 mL)

    9. Observe Draw a picture of the baking soda.

    10. Observe Draw a picture of the vinegar.

    11. Procedure Step 3 Pour the measured vinegar into the bottom of a plastic bag.

    12. Procedure Step 4 Set the cup of baking soda into the plastic bag. DO NOT SPILL.

    13. Procedure Step 5 Seal the plastic bag tightly.

    14. Observe Draw a picture of the bag and its contents.

    15. Procedure Step 6 Knock the cup over inside the plastic bag.

    16. Step 6 (cont.) You may need to move the bag around.

    17. Observe Draw a picture of what the bag and its contents look like after knocking the cup of baking soda over.

    18. Clean Up! Throw the bag away. Wash & dry the spoon, graduated cylinder, and funnel. Place the materials back in your basket.

    19. Analyze & Conclude Complete the 4 Analyze & Conclude questions. Only complete sentences will receive full credit. You must finish this for homework.

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