Science 3

2. Food is an important need of your body. It supplies the
energy that you need to live. Without the right food in the
right amount, you will feel weak. The parts of the body will
not function correctly. Thus, it is important that you eat
the right kind and amount of food so your body can grow
healthy and strong.

3. - it is not enough that you eat nutritious food, you also have to have
a balanced diet. Balance diet means that you eat food with the
needed nutrients and in the amounts required to keep you healthy.
- Nutrients – substances found in the food that your body converts
into energy.
- Food is grouped into five according to the substances they contain,
and each group performs certain function.
- Not all foods are healthy and good for us. Junk foods like candies
and chips are not nutritious. Food of this kind are high in salt,
sugar, or bad fats, all of which are not good to the body. They can
cause you to get sick and can effet growth.

4. Group Main Functions Examples
Carbohydrates Give energy to the body Rice, corn, cake, noodle,
potato, sugar, honey,
bread, cassava, puto
Fats Store energy in the body, which is
released when you need it; help your
body absorb vitamins
Butter, cooking oil,
margarine
Proteins Help to make the bones and muscles
of the body strong; repair damaged
cells of the body
Meat (chicken, beef, pork),
beans, fish, eggs, milk,
cheese, yogurt
Vitamins Help the body get stronger to
itself against diseases
Fruits and vegetables
Minerals Help to make the bones and teeth
strong
Milk, seafood, nuts, fruits,
green leafy vegetables

5. - Help your body to grow well, be strong, and keep diseases
away.
- Habit – way of behaving that you develop when you do it
repeatedly. Ex: develop the habit of brushing the teeth after
every meal.
- Developing the habits when you are still young can form a
continuous observation of those habits to adulthood.
- Habits: engaging in physical activity and exercise, drinking a
lot of water, getting enough sleep, resting and relaxing, and
engaging in recreation.

6. - Physical activity – any body movement that leads the body to exert energy
more than when your body is at rest. Ex: walking, running, jumping, and
(you do almost even without thinking), and also help the body to get strong
and flexible.
- Exercise – set of physical activities that many adults carry out to help them
healthier. Ex: Walking for 30 minutes everyday, swimming regularly, and
a sport regularly.
- A children like you, running around or playing hide-and-seek with the friends
another way of exercising. Climbing trees, skipping rope, and biking around
neighborhood as a another way.
- Exercise and physical activities can help strengthen the muscles and joints, and
also develop your agility.
- Agility – ability to move easily and change th body’s position without much
effort.
- Also help the brain works properly, and feels good about ourself.

7. - Helps in distributing the nutrients from the food to the diff.
parts of the body.
- Also cleanses the body by removing the wastes, that may
harm the body. Wastes can be a form of urine or sweat.
- Children like you need to drink at least six to eight glasses
of water every day. It will helps you to grow healthy.

8. - Sleeping every night for 8 to 10 hours
- Getting enough sleep, the body gets rest. The body
becomes prepared for the next day.
- Having enough sleep, you do not feel sleepy in school the
next day. You become alert and attentive, during class
hours and help you to do the activities.
- It allows the body to grow and the mind to develop.
- Having not enough sleep, you feel tired and may become
restless or forgetful.

9. - Try to relax during the day.
- You can do this by taking a nap, lying down for a few minutes while
listening to good music, or reading your favorite books.
- Rest will help you regain the energy you have used for the different
activities you have already done.
- Children who are well rested are more attentive and alert.
- Doing recreational activities, entertaining and enjoyable activities
when you are no busy with school work will help you rest.
- Recreational activities: playing indoor and outdoor games, reading,
doing crafts, scrapbooking, listening to music, going to the movies,
and watching television.
- It also lead to family or friends bonding.