Our Sky
CBSE · Class 4 · EVS
Flashcards for Our Sky — CBSE Class 4 EVS. Quick Q&A cards covering key concepts, definitions, and formulas.
What is the brightest object in our sky?
Answer
The Sun is the brightest object in our sky. It is so bright that other stars cannot be seen when the Sun is present in the sky. The Sun gives us light and heat.
How does the sky look different in the morning, afternoon, and night?
Answer
Morning sky: Orange color appears, Sun rises. Afternoon sky: Bright blue, strong sunlight. Night sky: Dark with twinkling stars, Moon and stars are visible.
In which direction does the Sun appear to move during the day?
Answer
The Sun appears to move from East to West during the day. It rises in the East in the morning, comes overhead at noon, and sets in the West in the evening.
What happens to shadows at different times of the day?
Answer
Morning shadows are long and point West. Noon shadows are short. Evening shadows are long again but point East (opposite to morning shadows).
What is a sundial and how does it work?
Answer
A sundial is an ancient device used to tell time by looking at shadows. As the Sun moves across the sky, the shadow changes direction and length, showing different times of the day.
What is Poornima?
Answer
Poornima is the full Moon when the Moon appears as a complete circle in the sky. Many festivals like Rakshabandhan and Guru Poornima are celebrated on this day.
What is Amavasya?
Answer
Amavasya is the new Moon when the Moon is not visible in the sky at all. This happens periodically. Diwali is celebrated on Amavasya.
Why do morning and evening shadows point in opposite directions?
Answer
Morning and evening shadows point in opposite directions because the Sun's position changes. In the morning, the Sun is in the East, so shadows point West. In the evening, the Sun is in the West, so s
+12 more flashcards available
Practice AllGet detailed flashcards for Our Sky
Super Tutor gives you interactive content for every chapter of CBSE Class 4 EVS — summaries, quizzes, flashcards, and more.
Try Super Tutor — It's FreeFrequently Asked Questions
What are the important topics in Our Sky for CBSE Class 4 EVS?
Our Sky covers several key topics that are frequently asked in CBSE Class 4 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Our Sky — CBSE Class 4 EVS?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.
How many flashcards are available for Our Sky?
There are 20 flashcards for Our Sky covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More Resources for Our Sky
Important Questions
Practice with board exam-style questions
Syllabus
What topics to cover
Revision Notes
Key points for last-minute revision
Study Plan
Step-by-step plan to ace this chapter
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually