The task of the class teacher is to form the ideas of a healthy lifestyle in the younger generation. Extracurricular lesson on the topic: “Chewing gum: benefit or harm” is a practical example of the use of health-saving technologies in extracurricular activities.
Event Example
The purpose of such an event is to educate schoolchildren in the correct understanding of the culture of behavior while using chewing gum.
For the event, you will need a computer, a screen, as well as a multimedia projector.
The presentation prepared by the teacher along with the guys will help in holding the event “The Benefits and Harm of Chewing Gum”.
Presentation structure for the lesson
For the first slide, you can take a photo of chewing gum.
The second frame is devoted to the history of its appearance, the results of the questionnaire, the useful properties of the product, its negative effects on the body.
The third slide contains photographs from archaeological sites of ancient civilizations.
The fourth slide can be devoted to images of different types of chewing gums.
On the fifth slide, the guys are offered a questionnaire.
Event Content
How can I build an extra-curricular lesson "The Benefits and Harm of Chewing Gum"? The presentation is complemented by a dialogue between the teacher and students. For example, when getting acquainted with the history of the appearance of this product, the teacher talks about how archaeologists during the excavations of ancient settlements discovered small pieces of resin - the first chewing gum. In the Middle East and Ancient Greece, they used mastic wood resin for cleaning teeth.
The Indians used rubber (Hevea juice) for similar purposes. After Columbus managed to discover America, the product was brought along with tobacco to Europe. Here he became the forefather of chewing gum. Europeans then did not appreciate all the advantages of this product, and only centuries later they found out about it in the USA.
The harm and benefits of chewing gum is a matter that still worries physicians and scientists. In 1939, information appeared about the work of the American Hollingworth, who was able to prove the possibility of relieving stress and tension with constant chewing. After such a study, chewing gum was made an indispensable element of soldering an American soldier.
Questioning
The test "The harm and benefits of chewing gum" will allow children to evaluate their knowledge about this product.
- How often do you use chewing gum?
- What time do you use it?
- What are you using it for?
- What chewing gum do you like?
After questioning, the teacher proceeds to the analysis of the positive and negative parameters of such a product.
Product Features
In order to evaluate the advantages and disadvantages, you can develop booklets "Chewing gum: benefit or harm", distribute them to the children.
The teacher notes that many dentists recommend using it within 10-15 minutes after eating. She is a good simulator for the oral cavity. With systematic chewing, you can clean your mouth and teeth from food debris, freshen your breath.
After Walter Dimer invented the bubble gum bubble gum, fans of this product had the opportunity to blow bubbles.
With erratic and frequent use of chewing gum, there is an upset digestive system, since the product contains sugar substitutes. Problems also arise in those people who have filled teeth. By the amount of energy that is spent during chewing, the product can be compared with meat. They significantly strain the joints and chewing muscles that connect the lower and upper jaws. Chewing gum lovers feel pain in the jaw muscles, it is difficult for them to open their mouths.
During chewing, the body stimulates the production of gastric juice. Therefore, when using chewing gum on an empty stomach, diseases of the gastrointestinal tract develop.
Low-quality foods have an antioxidant that causes allergies, nausea, and vomiting. You can not swallow chewing gum, since as it accumulates in the stomach, obstruction is observed.
The harm and benefits of chewing gum - this is an important point in the education of culture, to which the class teacher draws attention.
The exterior of the streets suffers from this product. For many years, scientists have been trying to find chemicals that would dissolve it, being absolutely safe for the environment.
What are the harm and benefits of chewing gum - these are the questions that children should find an answer with their teacher at the end of the lesson.
Chew or not?
“The harm and benefits of chewing gum” is a project that can be offered to students to deepen the knowledge gained at the event.
The teacher offers one group to highlight the positive qualities of this product, and the second part should find the disadvantages of chewing gum.
Pros:
- decrease in incidence of caries;
- calcium lactate, which is part of the chewing gum, restores microdamage to tooth enamel.
Minuses:
- dyes E414, E322, emulsifiers harmful to the liver;
- cheap chewing gums are based on styrene butadiene rubber.
Theme for work
“Chewing gum: benefit or harm” is a research work during which a young scientist will find the answer to this complex and important question.
Objective: to analyze the effect of chewing gum on the human body.
Tasks of work:
- acquaintance with the history of the appearance of the product;
- study of the properties of chewing gum;
- identification of positive and negative properties;
- conducting research on the effects of chewing gum on classmates;
- development of memos for students.
Chewing gum acts as an object of study. The subject of this work will be the identification of its effect on the human body.
"Chewing gum: benefits and harms" - an essay that will allow you to find the answer to a question that worries many people.
The content of the work
Currently, we know almost nothing about the benefits of chewing gum. Dentists believe that using this product can solve the problem of dental caries. Nutritionists, on the contrary, are categorically against its use, since it negatively affects the human digestive system.
The research project "Chewing Gum: Benefit or Harm" is aimed at a detailed study of the problem.
The basis of chewing gum is a polymer substance - rubber. In addition to this natural component, the composition has a variety of nutritional supplements. But few people know about when and how chewing gum appeared in human life.
The ancient Greeks used to chew the resin of a mastic tree growing in Greece and Turkey, brushing their teeth, freshening their breath.
Maya Indians used sapodilla tree juice, which became the basis for the industrial production of chewing gum.
In commercial volumes, this product began to be produced only in the mid-nineteenth century in the United States. The Kurtis brothers developed several types of chewing gums, patented their invention, and became wealthy people. Nowadays, many companies are engaged in the production of a variety of delicacies, inventing new tastes and aromas for the product, unique packaging.
Academician Todor Dichev believes that the product contains chemicals that do not prevent, but contribute to the development of caries.
All chewing gums offered in food stores include E171, E 322 emulsifier, E 320 antioxidant, rubber base, sweeteners, E 903 glaze, and E 422 stabilizer.
The last component is glycerin, which, when absorbed into the blood, exhibits toxic properties. It can cause diseases of the blood, kidneys, and liver.
Emulsifier E 322 is a lecithin derived from soy. This valuable component promotes fat metabolism in the body, accelerates salivation, which leads to disruption of the digestive tract.
Chewing gum uses artificial colors that can cause allergies.
Conclusion
There are many different chewing gum myths. The advertisement that we see on television every day claims that with the systematic use of this product, the teeth will be white, strong, and absolutely healthy. In fact, it absolutely does not affect the acid-base balance. Certain food products successfully cope with this task.
Child psychologists are convinced that those adolescents who systematically chew chewing gums have a lower level of intelligence compared to their peers. The reason is that systematic chewing does not allow you to concentrate, which negatively affects memory, logical thinking.
After using the product, breathing freshens for a while, plaque is destroyed. With constant bubble blowing from chewing gum, malocclusion occurs in young children, serious problems with the functioning of the gastrointestinal tract.
It is impossible to find a definite answer to the question regarding the harm and benefits of chewing gum, as this product has different characteristics. With moderate and proper use, it can be called an assistant to a person in caring for the oral cavity.