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This document discusses soft drinks and their effects on teeth. It notes that soft drinks are carbonated beverages that can be consumed at room temperature or chilled. The drinks commonly contain acids like phosphoric acid and citric acid which can erode tooth enamel when the pH is below 5.0. While occasional consumption may not be harmful, habitual drinking is more risky as it prolongs acid exposure and causes greater enamel damage over time. The document then provides scientific terms and outlines a procedure for an experiment to test the effects of different sodas on tooth weight loss over several days.

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Vân Annh
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34 views2 pages

Scientific Terms Materials

This document discusses soft drinks and their effects on teeth. It notes that soft drinks are carbonated beverages that can be consumed at room temperature or chilled. The drinks commonly contain acids like phosphoric acid and citric acid which can erode tooth enamel when the pH is below 5.0. While occasional consumption may not be harmful, habitual drinking is more risky as it prolongs acid exposure and causes greater enamel damage over time. The document then provides scientific terms and outlines a procedure for an experiment to test the effects of different sodas on tooth weight loss over several days.

Uploaded by

Vân Annh
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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Soft drinks are carbonated beverages that can be consumed at room temperature or after being

chilled in a refrigerator. Some popular soft drinks are cola drinks, orange soda, sparkling soda, root

beer and ice cream soda. Most of the soft drinks contain little or no alcohol and are popular among

children and adults.

Soft drinks normally contain acids that can dissolve the enamel of teeth. The pH levels of the soft

drinks that we consume are between 2.5 to 4.0. Any solution with a pH level below 5.0 is strong

enough to cause erosion in our teeth. Even the natural juices found in fruits like lemons and oranges

contain citric acid and ascorbic acid, which can eat away at our tooth enamel.

The most common offenders in soft drinks are phosphoric acid and citric acid. Although occasional

drinking of soft drinks will not do much harm to our teeth and health, it is the habitual drinkers that

have much to worry about. Sipping the drinks slowly will only prolong the exposure of the teeth to

acid and will only cause more damage to one’s tooth enamel.

Scientific Terms
Tooth enamel, acids, pH, phosphoric acid, citric acid, ascorbic acid

Materials

The materials required for this science fair project:

-    3 transparent bottles

-    1 bottle of Coca Cola

-    1 bottle of Sprite

-    1 bottle of root beer

-    1 digital weighing scale

-    3 teeth (of identical size and weight)

Procedure

1.    For this science fair project, the independent variable is the brand of soda used to immerse the

teeth. The dependent variable is the weight of the teeth. This is determined by checking the weight of

the tooth using the digital weighing scale once a day. The constants (control variables) are the size of

the bottles, the amount of soft drink in the bottles, the size of the teeth, the temperature of the

environment (which will remain at room temperature) and the length of the experiment.
2.    Fill the 1st bottle with the Coca-cola, the 2nd cup with Sprite, and the 3rd cup with the root beer.

3.    Wash and clean the 3 teeth. Dry them. Then, check their weights on the digital weighing scale

and record the readings in a table, as shown below.

4.    Place a tooth inside each bottle. After the first day, remove the teeth from each bottle and check

their weights. Record your readings in a table. Then, refill the bottles and replace the teeth. Repeat

this process every day for the next 4 days.

Observation

It is observed that all the teeth immersed in the soft d

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