# Lesson 147: How to keep our body clean

🔬 SCIENCE (40 Lessons) • 🟣 D. Our Body and Health

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## Objective

I can name and show simple clean habits like washing hands, brushing teeth, and bathing, and explain how they help keep my body healthy.

## Materials

- Sink or bowl with clean water (for handwashing practice)
- Soap or pretend soap
- Towel or paper towel
- Toothbrush and toothpaste (or pictures)
- Notebook or worksheet for hygiene routines

## Mini-lesson — How to keep our body clean

Our body is special. To keep it healthy, we need to keep it clean. Clean habits help us feel fresh and stop germs from making us sick.

Why we wash our hands

- Hands touch many things like doors, toys, and the ground.
- Germs we cannot see can stay on our hands.
- We wash our hands with soap and water to wash germs away.

When to wash our hands

- Before eating or helping to cook.
- After using the toilet.
- After playing outside or with pets.
- After coughing, sneezing, or blowing our nose.

Keeping our whole body clean

- Taking a bath or shower helps wash off sweat and dirt.
- Wearing clean clothes and changing dirty socks and underwear.
- Keeping nails short and clean.

Looking after teeth and hair

- Brush teeth twice a day with a toothbrush and toothpaste.
- Do not share your toothbrush with anyone.
- Wash and brush your hair to keep it neat and clean.

Clean habits are part of caring for our body. They help us feel good, smell fresh, and stay ready to play and learn.

Picture strip: Clean habits in action

Washing our hands

Teeth and body care

## Guided Practice — Clean hands and daily routines

You will practice washing your hands carefully and talk about a daily clean routine.

1. Look at your hands: Open your fingers and look at the front and back. Imagine the tiny germs you cannot see.
2. Wet hands: Turn on the water and make your hands wet. Turn off the tap if you can.
3. Add soap: Put a small amount of soap on your hands.
4. Rub for 20 seconds: Rub your palms, between your fingers, the backs of your hands, and around your thumbs. Sing a short song while you rub.
5. Rinse and dry: Rinse the soap away with clean water. Dry your hands with a towel or paper towel.
6. Talk about when: Say out loud when you should wash your hands (before eating, after toilet, after playing outside).
7. Plan a clean day: With an adult, say what you do in the morning and night to keep clean (brush teeth, wash face, change clothes).
8. Use the tracing pad: Choose words like wash, soap, clean, teeth, or bath and trace them. Say a sentence such as "I wash my hands with soap."

Tracing Pad
Lines
Trace
Pen

## Practice 1 — When should I wash my hands?

Read each short situation. Say whether it is a good time to wash your hands and what you would do.

1. You have just finished using the toilet and are about to leave the bathroom. Is this a good time to wash your hands? What will you use?
2. You are going to eat lunch. Your hands feel a bit dusty from blocks and crayons. What should you do before eating?
3. You came back from playing outside in the park and touched the ground and railings. What clean habit should you follow?
4. You sneezed into your hands. What should you do before touching toys or friends?
5. You helped an adult feed a pet. What is a good clean step to do next?

## Practice 2 — My clean body checklist

Make a simple daily clean checklist and tick the habits you do each day.

1. Fold a page in half. On one side write "Morning". On the other side write "Night".
2. Under Morning, draw or write clean habits like: brush teeth, wash face, change into clean clothes.
3. Under Night, add habits like: bath or shower, brush teeth again, put dirty clothes in the wash basket.
4. Add small boxes next to each habit. Each day, tick the box when you do the habit.
5. At the end of the week, count how many clean habits you did. Talk about one new habit you want to add.

## Practice 3 — Clean or not clean?

Listen to each idea and decide if it is a clean habit or a not clean habit. Explain why.

1. A child washes their hands with soap after playing in the mud and before eating.
2. A child wears the same dirty socks for many days and never lets them dry.
3. A child brushes their teeth in the morning and before bed.
4. A child shares their toothbrush with a friend.
5. A child covers their mouth with their elbow when they cough and then washes their hands later.

## Quick Check — How to keep our body clean

Answer each question about clean body habits. Think about what keeps you fresh and healthy.

1) Why do we wash our hands with soap and water?

To make our hands more dirty. To wash away germs and dirt. To turn our hands into toys.
Soap and water help wash away germs and dirt from our hands.

2) When is the best time to wash your hands?

Before eating and after using the toilet. Only on your birthday. Never, hands clean themselves.
We wash before eating and after the toilet to keep germs away from our food and body.

3) Which thing do we use to clean our teeth?

A spoon. A hairbrush. A toothbrush and toothpaste.
A toothbrush and toothpaste are used to clean our teeth.

4) How often should you brush your teeth?

Once a year. Two times a day, morning and night. Only when you feel bored.
Brushing in the morning and at night keeps teeth clean and strong.

5) Which is a clean habit?

Changing dirty clothes into clean ones. Sleeping in muddy clothes every night. Never washing your socks.
Changing into clean clothes helps keep our body fresh and healthy.

6) Which body part do we usually wash in a bath or shower?

Only one finger. Only one toe. Our whole body from head to feet.
A bath or shower cleans our whole body.

7) What should you do after sneezing into your hands?

Wipe your hands on a friend. Wash your hands with soap and water. Touch all your toys quickly.
Washing hands after sneezing keeps germs off toys and other people.

8) Which item should you not share with other people?

Your toothbrush. A ball at the park. A box of blocks in class.
Toothbrushes should not be shared because they go in our mouths.

9) What do short, clean nails help with?

Hiding more germs under long dirty nails. Scratching people on purpose. Keeping less dirt and germs under our nails.
Short, clean nails are easier to keep free from dirt and germs.

10) Which picture would show a clean habit?

A child never washing and wearing the same dirty shirt all week. A child hanging up a towel and putting dirty clothes in a wash basket. A child walking barefoot in puddles then going to bed without washing.
Putting dirty clothes in a basket and using a towel correctly are clean habits.

11) Which sentence is true about keeping our body clean?

Clean habits help us stay healthy and feel good. We only need to wash once in our life. Being dirty all the time keeps us safe.
Clean habits help our body stay healthy and comfortable.

12) Which list shows clean body habits?

Never washing, never brushing teeth, never changing clothes. Eating in bed, leaving food on the floor, never washing hands. Washing hands, brushing teeth, taking baths, wearing clean clothes.
Washing, brushing, and wearing clean clothes are all clean habits.

13) A child says, "I wash my hands after I play with my dog." This is a good habit because…

Dogs make hands turn into toys. Pets can carry germs, and washing keeps hands clean. Water makes hands sticky forever.
Washing after touching pets helps remove germs from our hands.

14) What should you do with very dirty clothes?

Put them in the wash basket so they can be cleaned. Hide them under the bed and wear them again. Throw them on the floor forever.
Dirty clothes belong in the wash basket so they can be washed.

15) Why is it important to learn about how to keep our body clean?

So we never have to sleep. So we can collect more germs. So we can stay healthy, feel comfortable, and care for our body.
Knowing clean habits helps us care for our body and stay healthy.

## Assessment (parent/teacher)

Student can name simple clean habits such as washing hands, brushing teeth, and taking a bath or shower. Student can explain when to wash hands (before eating, after toilet, after playing outside, after sneezing). Student can describe why clean clothes, teeth, hair, and nails help keep the body healthy. Student can sort examples into clean habits and not clean habits and explain their choices. Student uses words like clean, germs, soap, wash, and brush correctly in simple sentences.

## Exit ticket (student)

😀 I can name clean habits and show how to keep my body clean. 🙂 I know some clean habits but want more practice with my routine. 😅 Clean habits are still a bit tricky to remember.

#### Next time I will practise…

Washing my hands at the right times Brushing my teeth in the morning and at night Changing into clean clothes and keeping my body fresh
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