Class 4 Exam > Class 4 Notes > Science for Class 4 > Worksheet: Clothes – Our Protection - 1
Class 4 Science - Clothes Our Protection - CBSE Worksheets - 1
Q1: Multiple Choice Questions (MCQs).
(i) Which of these is an advantage of cotton clothes?
(a) They allow body heat to escape
(b) They absorb sweat
(c) Air can circulate easily through them
(d) All of these
(ii) Our clothes should
(a) be suited to the kind of work we do
(b) be suited to weather conditions
(c) make us look good
(d) all of these
(iii) What kind of clothes are best in hot weather?
(a) Dark coloured cotton clothes
(b) Light coloured cotton clothes
(c) Dark coloured woollen clothes
(d) Light coloured woollen clothes
(iv) Synthetic fibres are made from
(a) plants
(b) hair of animals
(c) chemicals
(d) skin of animals
Q2: True or False.
(i) Athletes prefer sportswear made from Dri-Fit material.
(ii) Any type of dried leaves kept between clothes keep insects away.
(iii) Clothes made from natural fibres are non-porous.
(iv) Polythene is waterproof.
Q3: Name the following.
(i) A waterproof material ______
(ii) Process of cleaning clothes using petrol and chemicals ______
(iv) They are woven in machines to form fabric ______
(v) An insect which can spoil clothes ______
Q4: Match the following.
Q5: Answer the following questions in brief.
(i) Why are cotton clothes preferred in summers?
(ii) Why is it important to wear shoes?
(iii) What kind of clothes should one wear?
Q6: Long answer type questions.
(i) How should we take care of our clothes?
(ii) In what ways is synthetic fibre better than natural fibre?
You can find Worksheets Solutions here: Worksheet Solutions: Clothes – Our Protection - 1
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FAQs on Class 4 Science - Clothes Our Protection - CBSE Worksheets - 1
| 1. What are the different types of clothes we wear for protection? |  |
Ans. There are several types of clothes we wear for protection, such as:
- Raincoats or waterproof jackets to protect against rain.
- Winter coats or jackets to keep us warm in cold weather.
- Helmets and safety gear for activities like biking or construction work.
- Masks or face coverings to protect against germs or pollution.
- Sunscreen or sun protection clothing to shield against harmful UV rays.
| 2. How do clothes protect us from the weather? | |
Ans. Clothes protect us from the weather in various ways:
- In cold weather, clothes trap heat close to our body and insulate us from the cold air.
- In hot weather, clothes made of lightweight and breathable fabrics help to keep us cool by allowing air to circulate and sweat to evaporate.
- Raincoats and waterproof jackets prevent water from reaching our body, keeping us dry during rainy weather.
- Clothes with UV protection block harmful sun rays and shield our skin from sunburns.
| 3. What is the importance of wearing safety gear? | |
Ans. Wearing safety gear is crucial because it provides protection in potentially hazardous situations. Some reasons why wearing safety gear is important include:
- Helmets protect our head from serious injuries during activities like biking, skateboarding, or construction work.
- Safety goggles shield our eyes from debris, chemicals, or other harmful substances.
- Protective gloves safeguard our hands from cuts, burns, or chemical exposure.
- High visibility clothing ensures that we are easily visible to others, reducing the risk of accidents in low-light conditions.
| 4. How do masks or face coverings protect us? | |
Ans. Masks or face coverings protect us in several ways:
- They act as a physical barrier, preventing respiratory droplets from being released into the air when we talk, cough, or sneeze, reducing the spread of germs.
- Masks also provide some level of protection against inhaling airborne particles, including pollutants or allergens.
- In the case of surgical masks or N95 respirators, they offer higher filtration efficiency and protect the wearer from inhaling small particles, such as viruses or bacteria.
| 5. What are the benefits of wearing sun protection clothing? | |
Ans. Wearing sun protection clothing offers several benefits:
- Sun protection clothing is specifically designed to block harmful UV rays, reducing the risk of sunburns and skin damage.
- It provides a physical barrier between the skin and the sun, unlike sunscreen, which needs to be reapplied regularly.
- Sun protection clothing is often made of fabrics with a high UPF (Ultraviolet Protection Factor), ensuring maximum protection against UV radiation.
- It is a convenient and reliable way to protect the whole body from the sun's harmful rays, especially during outdoor activities or prolonged sun exposure.
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