Scientific Method Using Effervescing Tablets

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75 Ratings
Teachers Are Terrific
Grade Levels
3rd - 5th
Formats Included
  • Zip
19 pages
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Are you looking for a great experiment to help with the steps of the Scientific Method? This one has some fizzing and bubbling that will be hit with your students!

This investigation uses effervescing tablets (commonly called Alka Seltzer). Students will use the tablets to learn more about what makes dissolving happen more quickly. After trying a few tests with the effervescing tablet, you have the option of letting students choose more variables to test to extend the experiment. Finally, they will conclude what makes the tablet dissolve the fastest! You can extend this event by having students design their own additional liquids to experiment more.

The package includes step-by-step procedures, helpful hints, and management ideas for making this work smoothly for you. Lab sheets are totally optional, although the data table is used to make recording more efficient for students. You can always have students design their own data table to record the results of the experiment.

This experience will take one class session to complete.

You will need materials along with this package, including Effervescing Tablets, water, vinegar, salt, small cups in two sizes, microwave or hot plate, timer or stopwatch, paper towels, and safety goggles.

This package specifically includes:

  • Cover
  • Teacher Background
  • Materials and Preparation page
  • 6 pages of Step-by-Step Procedures for Teachers which includes tons of hints and a page of information about controls and variables
  • 1 page Student Lab Sheet
  • 2 pages of photos
  • 1 extra page of Helpful Hints
  • Scoring rubric
  • Terms of Use page.
  • The rubric and lab sheet are provided in an editable format.
  • Instead of a student answer sheet, there are samples of student work included in the teacher directions.
  • There is also a bonus one-page Scientific Method poster!

You might also like these Scientific Method Items:

Scientific Method Using Candy

Scientific Method Task Cards

Scientific Method Posters

Scientific Method Flipper Book

Interactive Notebook Activities featuring the Scientific Method


You might also try a STEM Challenge that includes experimenting:

Paper Airplanes

Paper Helicopters

Canister Rockets

Experiment and Design with Pancakes

Building Ramps


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Total Pages
19 pages
Answer Key
Teaching Duration
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