HOLIDAY WORKSHEET
Lesson :1 - FOOD AND DIGESTION
Name :_______________________________Sub: Science
Class:IV
Roll No:________________
I. Fill in the blanks
1. Pancreas produces juices that help to digest___________.
2. Growing children need _________ in their food.
3. ___________ give us more energy and heat than carbohydrates.
4. The blood vessels absorb ________ food.
5. All cooked foods get _______ at room temperature after sometime
6.The undigested food passes into the ____________ intestine.
7.___________ is the fibre present in our food.
8. _____________ and _______________ pour their digestive juices into small intestine.
9.____________ is a way of preserving food.
10. Food rich in ____________ and ____________ keep us fit and healthy.
11. __________ give us more energy than carbohydrates.
12. In the stomach, __________ are broken into a simpler form.
13. Cooking makes food ______________, tasty and easily _______________.
14.______________ and _______________ are ways of cooking food.
II. Name the following.
1. Food that contains fat and sugar in excess.
2. Food that gives us lot of roughage.
3. It helps the body to dissolve, digest and absorb the food.
4. Food that helps us to build strong bones, teeth and blood.
5. The organ in our body that churns food.
6.The process of breaking down of food into simpler form.
7.A vegetable eaten raw.
8. A food item rich in starch.
9. A digestive liquid secreted by salivary glands.
10. The diet which contains all the nutrients in the right amount.
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Lesson : 2 – TEETH AND MICROBES
I. Fill in the blanks:
1. We must brush our teeth at least_____________ a day.
2. Milk has _________ that makes our teeth strong.
3. We must floss our __________ everyday.
4. Microbes are very ______________ living things.
II. Choose the Correct Answer:
1. Molars are also called ___________.
(a) Tearing teeth
(b) cutting teeth
(c) grinding teeth
2. The centre of each tooth is called ____________.
(a) dentine
(b) pulp
(c) crown
3. Yellow substance on teeth is called _________.
(a) dentine
(b) tartar
4. Sweets and chocolates __________ our teeth.
(a) spoil
(b) perfect
(c) plaque
(c) clean
III. Name the following.
1. The tearing teeth that helps to tear the food: ___________
2. The thin sticky layer of germs on the teeth: ___________
3. The microbe that causes malaria:
___________
4. The microbe that causes ringworm:
___________
5. An instrument which is used to see microbes: __________
IV. Name the following pictures.
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