Question

Il Name the following

1. Essential components required by our body to remain healthy.

2. Minute blood vessels.

3. Ability to do work.

4. The energy obtained from water.

5. The layer of the atmosphere in which we live.

6. The amount of water vapour in the air.

7. The substance which cause pollution.


Match the following

1. Rickets a.screw

2. Stop drop roll b.sign boards

3. Water and oil c.clothes on fire

4. Drilling machine d.pigeon chest

5. Neon e.immiscible liquid


IV Fill in the blanks

1.______is caused due to lack of calcium.

2.________is a term used for first aid in case of sprains.
3. The smallest unit of a substance showing all its properties is called_________
4. The energy we get from coal and petroleum is________
5. Meteoroids burn in_______ layer


V. Write true or false

1. Methane is released from land fills.

2. Tweezer and fishing rod are examples of class I lever.

3. The space between molecules never changes.

4. Petrol is lighter then water.

5. Carbohydrates help us to grow.

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Answer 1

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