Jennifer Penn-Chiu
Grade Level: 5th - 6th; Type: Chemistry
Objective:
In this experiment, students will learn whether mint, known for its “cooling sensation” really does lower temperatures. Or is it just a sensation?
Research Questions:
- What does the mint plant look like?
- What are the uses for mint?
Mints have a distinctive taste that many enjoy for their freshness and the freshness it provides to ones' breath. Mint actually comes as an herb; as a flowering plant. The candies we often eat are flavored with mint.
Materials:
- Pack of regular mints (Altoids, Tic-Tac, Mentos, etc.)
- 2 glasses of hot water
- Thermometer
- Pen and paper for notes
Experimental Procedure:
- Get a glass of hot water and take the temperature with a thermometer. Record this.
- Place 5 mints in the glass of hot water and take the temperature again. Was there a change?
- Place more mints in the glass of hot water 5 at a time and record whether you see any change at all. You should monitor it for 30 minutes.
- The other glass of hot water is to be used as a reference. This is because we know that water cools over time and we want to make sure that if there is any change in temperature, it is not independent of time, but of the mints speeding up the cooling process.
- Record your results. Any changes?
Suggested Chart
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Initial Temp. |
After 5 |
After 10
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After 15
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After 20
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After 25
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Minty Water
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Control Water |
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Terms/Concepts: Termperature; Cooling
References:
http://www.groovycandies.com/pc/viewCategories.asp?idCategory=82
Temperature Measurement By Bela G. Liptak
Jennifer Penn-Chiu is currently a college student with a deep interest in science who is aspiring to become a writer. She writes about all sorts of things across all subjects including, but not limited to; science, crafts, and fashion. She hopes to become a good writer so she can share her thoughts and experiences with the world and future generations.
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Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state’s handbook of Science Safety.
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