Question
Draw diagrams
Structure of skin

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Complete the tables given below

Mineral

Source

Function

1. Iron


Carrying oxygen to all parts of the body

2. Calcium, phosphorous

Milk, milk products, meat


3. Iodine


Controls growth, speeds up chemical reactions in the body.

4. Sodium and potassium

Salt, leafy vegetables, fruits, pulses


Complete the tables given below

Vitamins

Source

Function

1. A


Protects eyes, helps to keep skin, bones and teeth healthy.

2.

Milk, fish, cereals

Helps in proper function of nerves and heart.

3. B9

Deep green vegetables, papaya, kiwi


4.

Meat, milk products

Formation of red blood cells

5. C


Protects body tissues

6. D

On exposure to sunlight, Vitamin D is made in our body


7. E

Green leafy vegetables, vegetable oil


8. F


Helps in clotting of blood

Write the properties of the subtances
(water, glass, chalk, iron ball, sugar, salt, flour, coal, soil, pen, ink, soap)
Draw diagrams
Types of joints.

Image
Complete the puzzle using the words for types of motion.
1. A spring is stretched and one end is released.
2. A minute hand.
3. A see-saw.
4-5. Children in a march past.
6. A stone rolling down a hillside.
Image
Find out the types of energy from the following puzzle.
Image
Complete the tables given below

Nutrients

Source

Function

1. Carbohydrates

Rice, chapatti


2. Fats


Provide energy

3. Proteins

Sprouts, meat, eggs


4. Vitamins

Vegetables, fruits


5. Fibre


Help in excretion


Image
(1) In the above activity, which are the different forces acting on the box?
(2) Is displacement possible without force?
(3) If force is applied to both the boxes is same, which box will be displaced more?
(4) If me e books are added to box, and same force is applied, will the displacement be more or less?
(5) If a force is applied with both the hands on a wall, will there be a displacement?
(6) If no displacement occurs on applying as force, what does it indicate?
Solve the following crossword puzzle.
Image
Down:
1. ………. force is applied to push a scooter that has failed.
2. ………. force can be used to pick up scattered pins.

Across:
3. A ………. pulls iron nails towards itself.
4. ……….. force is used when farm is ploughed with a tractor.
5. It is due to the force of ………… that raindrops fall to the ground.