Class 3 Science Our Houses
What is the purpose of houses?
a) Protection from animals
b) Protection from bad people
c) Protection from the sun, wind, rain, and snow
d) All of the above
Answer: c) Protection from the sun, wind, rain, and snow
What are the most common building materials?
a) Bricks, cement, steel, wood, and glass
b) Bamboo, mud, leaves, and straw
c) Plastic, cardboard, fabric, and clay
d) Rocks, sand, shells, and ice
Answer: a) Bricks, cement, steel, wood, and glass
Why do houses have windows?
a) To let in sunlight
b) To keep animals out
c) To provide ventilation
d) All of the above
Answer: d) All of the above
What are the benefits of sunlight for a good house?
a) It kills germs that can make you sick
b) It helps plants grow indoors
c) It provides warmth during cold seasons
d) It keeps the house bright and cheerful
Answer: a) It kills germs that can make you sick
What are the benefits of having windows in a house?
a) To keep animals out
b) To provide ventilation and let fresh air in
c) To maintain privacy
d) To prevent sunlight from entering
Answer: b) To provide ventilation and let fresh air in
How do plants contribute to clean air in and around the house?
a) They release oxygen through photosynthesis
b) They absorb carbon dioxide and other pollutants
c) They help in reducing indoor air pollution
d) All of the above
Answer: d) All of the above
How are balconies and verandas used?
a) They provide a place to relax
b) They allow sunlight and fresh air to enter
c) They provide outdoor views
d) All of the above
Answer: d) All of the above
Why should garbage not be thrown in open places?
a) It attracts flies and insects, spreading diseases
b) It creates an unpleasant smell
c) It makes the surroundings dirty and unhygienic
d) All of the above
Answer: d) All of the above
Water that is dirty shouldn’t be collected, why?
a) It provides a breeding ground for mosquitoes and germs
b) It can contaminate the environment
c) It can lead to the spread of diseases
d) All of the above.
Answer: d) All of the above
To keep insects out of the house, what can be used?
a) Wire netting on doors and windows
b) Using insect repellents
c) Regular cleaning and proper waste management
d) All of the above.
Answer: d) All of the above
Class 3 Science Our Houses question answers
Q: Why do we live in houses?
A: We live in houses to protect ourselves from the sun, wind, rain, snow, animals, and potential threats like thieves.
Q: What are houses made of?
A: Houses are commonly made of materials such as bricks, cement, steel, wood, and glass.
Q: Why is sunlight important for a good house?
A: Sunlight is important because it helps kill germs that can make us sick, and houses should have proper windows to let sunlight in.
Q: How do windows contribute to clean air in the house?
A: Windows allow dirty air to go out and clean air to come in, helping maintain a healthier indoor environment.
Q: What role do plants play in cleaning the air?
A: Plants clean the air by absorbing carbon dioxide and other pollutants while releasing oxygen, so it is beneficial to grow plants around our houses.
Q: How do open spaces like balconies and verandas benefit us?
A: Open spaces provide relaxation, access to sunlight, and fresh air, enhancing our well-being.
Q: Why should we keep the area around the house clean?
A: Keeping the area clean prevents the accumulation of garbage, which attracts flies and insects, leading to the spread of diseases.
Q: Why we should not store dirty water ?
A: Dirty water serves as a breeding ground for mosquitoes and germs, which can spread diseases.
Q: How can wire netting on doors and windows help?
A: Wire netting helps keep insects like mosquitoes and flies away from entering the house, ensuring a more pest-free environment.
