Health and Hygiene | Term 1 Unit 6 | 6th Science - Student Activities | 6th Science : Term 1 Unit 6 : Health and Hygiene
Chapter: 6th Science : Term 1 Unit 6 : Health and Hygiene
Student Activities
Activity 1
Read the following food items and Classify the following table
1. Do your favorite foods make you healthy? Answer: Yes
2. Do you choose your food by taste or by its nutritive value?
Activity 2
Collect as many food items as you can and classify them according to the major nutrient content in it.
Activity 3
Aim:
To test the presence of Carbohydrate as Starch in the given food item.
What do you need?
Boiled potato, dropper and dilute Iodine solution
How to do: Smash the boiled potato.
Add two or three drops of dilute Iodine solution on the Sample
What do you see?
The potato turns blue-black in colour.
What do you learn?
Iodine reacts with Starch to form Starch-Iodine complex which is blue-black in colour. Thus, the appearance of blue-black colour confirms the presence of Starch in the food item
Activity 4
Aim:
To test the presence of Fat in the given food item.
What do you need?
Coconut Oil, groundnut oil, and any Paper.
How to do:
Pour few drops of oil onto the paper and rub it gently with your finger.
In case of ground nut, crush the groundnut and place it on a paper Now rub the groundnut on the paper
What do you see?
The paper turns translucent and becomes greasy .
What do you learn?
The given food sample contains fat
Activity 5
Aim:
To test the presence of Protein in the given food item.
What do you need?
egg white, Copper sulphate solution,
Sodium hydroxide , Test tube and Bunsen burner.
How to do:
Take a small amount of the food sample (egg white) and put in the test tube.
Add some water to the test tube and shake it.
Next, heat the test tube for about one minute. After the test tube has cooled down, and two drops each of Copper sulphate solution and Sodium hydroxide to it.
What do you see?
The food sample turns purple or violet.
What do you learn?
Change in colour of the given food sample turns purple or violet confirms the presence of Protein.
Just Think
A medical camp was conducted in School. Most of the children were healthy. Some of the students had some health issues
Priya had bleeding gums.
Raja could not see clearly in dim light.
Arun had bent legs .
Can you guess what could be the reasons?
This is because of deficiency of vitamins C, A and D respectively.
Fact File
Sun screen lotion reduces your skin's ability to produce Vitamin D by up to 95% which may lead to Vitamin D deficiency.
Activity 6
Make your food little healthier. What do you need?
A small cup of green gram seeds, Water and thin cloth.
How to do:
Soak the green gram seedsinwaterover.
Takeout the seeds and strain the water.
Wrap the seeds in wet thin cloth.
Keep it for a day or two.
Sprinkle some water whenever it is dry.
What do you see?
You can see white sprouts coming out of the seeds.
What do you learn?
green gram sprouts are low in calories, have fibre and Vitamin B. It has comparatively high amount of vitamin C and vitamin K
Gooseberries contains nearly 20 times the vitamin C than Orange.
80% of the world production of Moringa Leaves is in India. The Major countries which import Moringa Leaves are China, US, Germany, Canada, South Korea and European countries.
Fact File
Moringa leaves are rich in
Vitamin A,
Vitamin C,
Potassium,
Calcium,
Iron and
Protein.
It also contains
Powerful anti oxidants
Complete the following Table 4
Look at the pictures Given below
Mark ✔ for healthy persons and mark × for unhealthy persons.
Activity 7
WHY DO WE NEED A BALANCED DIET ?
Prepare a diet chart to provide balanced diet to a 12 year old child. The diet chart should include food item which are not expensive and are commonly available in your area.
Activity 8
Visit a nearby Anganwadi centre and find the steps taken by the government to overcome malnutrition and ensure health in the age group 0-5 years
Activity 9
One day Rahim, a class six boy vomited three times. He was looking tired and dehydrated. His mother who was a nurse prepared a solution and gave it to him drink. He felt better after sometime and asked his mother what the solution was. His mother said it was Oral Rehydration Solution - ORS. Shall we see what an ORS is? Vomiting or loose motions result in loss of water and cause salt imbalance in the body. Loss of water (dehydration) can lead to serious problems. This can be prevented by consuming ORS at short intervals. Follow the steps to make ORS at home:
* Take a litre of boiled water. Cool it.
*Add half a teaspoon of salt and six teaspoons of sugar to it.
You can also add a few drops of lemon juice to it. Stir it and give it to the person suffering from vomiting, loose motions or dehydration.
Discuss in your class room “Is virus a living thing or non living thing?”
• Yes, virus a living thing
Suggested project
• Get a Vaccination schedule from a nearby doctor or a hospital. From the list, identify the bacterial diseases and the viral diseases for which vaccination is given.
Discuss in your class room
“Is virus a living thing or non living thing?”
Microscopes help to study the structure of the microorganisms
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