Question Answers For All Chapters – Balbharati English Class 6
At the Science Fair
POINTERS
1. Answer the following questions :
(a) What two basic rules were followed in the Science Fair ?
Answer : The two basic rules were:
Everything should be handled by students.
Everything, including entertainment and food stalls, should have a scientific base.
(b) How early did the preparations for the Science Fair begin ?
Answer : The preparations for the Science Fair began at least two months in advance.
(c) How was the committee formed ?
Answer : The committee was formed with teachers, parents, and student representatives to plan and manage the fair.
(d) What themes did the committee identify ?
Answer : The themes identified by the committee were:
Plants
Animals
Properties of Substances
Energy (Forms of Energy and Energy Resources)
Science in Our Everyday Life
Latest News from the World of Science
Food and Nutrition
(e) How did the students prepare for their stalls/presentations ?
Answer : The students collected information from their textbooks, school library, and the internet. They discussed their ideas in groups and decided whether to build a model, give a demonstration, make posters, or display collections.
(f) What did Mr Gizare appreciate the most ?
Answer : Mr. Gizare appreciated the stalls that showed simple methods of identifying food adulteration. He also liked that visitors could try out experiments and models.
(g) What did the Clean Brigade do ?
Answer : The Clean Brigade ensured cleanliness during the fair. They used garbage cans, scoops, brooms, and wipes to keep the school clean despite the large number of visitors.
2. Make charts to show the important points to remember while making –
Answer : (a) A graphic presentation
Write short and clear points.
Use bullet points.
Include pictograms, graphs, or charts for numbers.
Use pictures and diagrams with labels.
Plan before making charts or posters.
Check spellings and sentences.
Acknowledge sources if using any external content.
(b) An oral presentation.
Keep it short (2-3 minutes).
Stay focused on your model or experiment.
Be confident and rehearse your speech.
Answer questions politely.
Use visuals in your stall while speaking.
Dress neatly but do not overdress.
Smile and be polite to visitors.
5. What themes would you like to add to the themes given in this passage ?
Answer : Some additional themes could be:
Space Science
Artificial Intelligence
Environmental Conservation
Human Body and Health
Robotics and Technology
6. Imagine you are visiting the Science Fair. What other stalls (apart from the ones mentioned here) are you likely to find there? Try to list at least five more stalls.
Answer :
- Solar Energy Models
- Weather and Climate Studies
- Simple Electric Circuits
- Life Cycle of a Butterfly
- Science of Optical Illusions
7. Using your imagination, and information from other sources, describe any one stall in detail.
Answer : Stall Name: Solar Energy Model
This stall displays a working model of a solar panel generating electricity. The model shows how sunlight is converted into electrical energy. A small fan is powered by solar energy, and visitors can see how it works. The students explain the benefits of using solar power for a cleaner environment.
8. Choose a ‘question’ through your own observation. Try to follow the scientific method to find the answer to that question. Take the help of your teacher/parents to set up the experiment.
Answer : खालील तुमच्या अनुभवासाठी एक उदाहरण आहे, पण ईविद्यर्थी तुम्हाला तुमचा स्वतःचा अनुभव लिहिण्यास प्रवृत्त करते.
Question: Why do ice cubes melt faster in warm water than in cold water?
Steps using the scientific method:
Observation: Ice melts faster in warm water.
Question: Why does this happen?
Hypothesis: Ice melts faster because warm water transfers heat to the ice more quickly.
Experiment: Place one ice cube in warm water and one in cold water. Observe which one melts first.
Data Collection: Note the time taken for each ice cube to melt.
Conclusion: Ice melts faster in warm water because of higher heat transfer.
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