"Rational Nutrition and Food Safety" Human Nutrition PPT Courseware 4

Description

"Rational Nutrition and Food Safety" Human Nutrition PPT Courseware 4

teaching objectives

Knowledge goal:

Through the study of this section, students can establish the concept of "eating healthy", understand its connotation, and know that a balanced diet is healthy.

Learn to design a nutritionally sound recipe. By participating in the activity of "Designing a Lunch Recipe for Parents", we hope to get the correct meal concept through analysis and thinking, that is, to have a comprehensive and comprehensive understanding of "why we eat" and "how to eat reasonably" understand.

A preliminary understanding of the relationship between sub-health and irrational diet.

Competency goals:

Be able to consciously apply the knowledge you have learned in real life to make yourself and your family’s diet more scientific and reasonable.

Use the nutritional knowledge you have learned to try to design a nutritionally reasonable recipe in a short period of time based on the specific situation of the whole family.

Through pre-class group preparation activities, students can further develop their ability to investigate, collect and organize information, and learn cooperatively.

Dietary Guidelines for Teens

1. Eat more cereals to provide sufficient energy

2. Ensure the intake of fish, meat, eggs, milk, beans and vegetables

3. Participate in physical activities and avoid blind dieting

Independent reading: What is a reasonable diet?

1 What categories do nutritionists classify foods into?

2 What is the reasonable energy ratio of three meals a day?

3. What should teenagers in the growth and development period pay attention to in their daily diet?

4 What kind of diet is a reasonable diet?

Physical condition self-assessment

( ) Feeling weak ( ) Easily tired ( ) Not clear-headed

( ) Confused thoughts ( ) Headache ( ) Facial pain

( ) Eye fatigue ( ) Decreased vision ( ) Nasal congestion and dizziness

( ) Darkness in front of the eyes when standing up ( ) Tinnitus ( ) Foreign body sensation in the throat

( ) Stomach discomfort ( ) Stiff neck and shoulders ( ) Unpleasant feeling when getting up in the morning

( ) Poor sleep ( ) Cold hands and feet ( ) Sticky palms

( ) Constipation ( ) Heart palpitations and shortness of breath ( ) Numbness in hands and feet

( ) prone to motion sickness ( ) restless ( ) upset

Design Design a lunch recipe for parents

Purpose requirements:

Design a nutritious and reasonable lunch recipe for parents, try to use the knowledge about reasonable nutrition, and care about the diet of the elders.

hint:

The designed recipes only require five types of food in reasonable proportions and do not require calculation of energy.

The design should consider food type, nutritional content, price, etc.

Communicate and discuss within the group, and then revise and improve.

practise

1 The following is a recipe for three meals a day designed for a classmate

Breakfast: Fried dough sticks, steamed buns, roasted shredded potatoes

Lunch: Rice and stir-fried vegetables

Dinner: Hanamaki, pastries, porridge, pickles

(1) The main nutrients this recipe lacks are ( )

(2) Substances of type ( ) should be added to the diet. After these substances enter the digestive tract, they will eventually be hydrolyzed into ( ).

2. Some students are on a diet, and their daily lunch always consists of foreign fast food or fried food. Do you agree with their approach? Why?

Where does food contamination come from?

1. Industrial waste pollutes farmland, water sources and the atmosphere, causing harmful substances to accumulate in agricultural products;

Second, with the increase in the use of agricultural products, some harmful chemical substances remain in agricultural products;

3. The inappropriate use of some chemical pigments and chemical additives during food production and processing increases harmful substances in food;

Fourth, it is microbial contamination caused by improper storage and processing.

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For more information about the PPT courseware "Human Nutrition, Reasonable Nutrition and Food Safety", please click the Human Body Nutrition ppt, Reasonable Nutrition and Food Safety ppt tag.

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Update Time: 2024-11-23

This template belongs to biology courseware People's Education Press seventh grade biology book volume 2 industry PPT template

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