Tamilnadu Samacheer Kalvi 3rd Science Solutions Term 1 Chapter 4 Science in Everyday life Text Book Back Questions and Answers

 

Tamilnadu Samacheer Kalvi 3rd Science Solutions Term 1 Chapter 4 Science in Everyday life

Samacheer Kalvi 3rd  Science Guide Science in Everyday life  Text Book Back Questions and Answers

I. Say whether the following statements are true or false.

1. When we boil water, bacteria are destroyed. True

2. Idli is cooked by the process called steaming. True

3. Thermometer is used to measure pressure. False

4. Refrigerator helps to keep things cold. True

5. Garlic relieves hiccups and nausea. True

6. Boiling point of water is 100°C. True

II Circle the name of the things from which idli is made.

Rice   Groundnut   Chilli  Black gram

 Red gram    Water   Salt    Pepper

Sugar   Fenugreek

IV. Which of these are safe to do at home? Put (√) or cross (x) in the box.

1. Touching electrical appliances - X

2. Playing with sharp objects - X

3. Playing in kitchen - X

4. Keep safe distance from the gas stove and cylinder  - √

V. Answer in a word or sentence.

1. How do you store fruits and vegetables for a longer period?

A Refrigerator (Fridge) is a popular home appliance for preserving food.

V. Answer in a word or sentence.

2. Name the instrument  used to measure temperature.

Thermometer is an instrument used for measuring body  temperature

V. Answer in a word or sentence.

3.How is idli prepared?

Idli is prepared using idli cooker.

●

V. Answer in a word or sentence.

4. What is the use of black pepper?

It is a great remedy for colds, coughs.

V. Answer in a word or sentence.

5. Which kitchen medicine is called the poor man‛s antibiotic?

Garlic is called the poor man‛s antibiotic.

VI. Answer the following.

1.Write the uses of boiled water.

vDestroys germs

v Improves digestion

vPrevents us from the infection of waterborne diseases

VI. Answer the following.

2. Write the advantages of pressure cooker.

qSaves time

qMinimizes the usage of fuel and saves energy

qRetains nutrients in food

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