Class 4 Evs - KERALA
Our Sky
The chapter 'Our Sky' introduces Class 4 students to the wonders above us, exploring the sun, moon, stars, and day-night cycle. Students learn why the sun looks big and hot because it is close to us, how the moon changes its shapes called phases, and why stars twinkle only at night even though they are always in the sky. This chapter is very important for the Kerala SCERT board exams as it builds foundational science concepts about our solar system, encourages curiosity about nature, and frequently features in both objective and descriptive exam questions.
Start Learning FreeKey Concepts
The Sun
The sun is a huge ball of hot glowing gases that gives us light and heat during the day.
The Moon
The moon is a natural satellite of the Earth that does not have its own light; it shines by reflecting sunlight and changes its shape.
Stars
Stars are huge glowing bodies in the sky that have their own light, but they look small because they are very far away from us.
Day and Sky
During the day, the bright light of the sun makes the sky look blue and hides the stars from our view.
Phases of the Moon
The different shapes of the moon that we see in the sky over a month are called the phases of the moon.
Important Formulas
Board Exam Info
In the Kerala SCERT Class 4 EVS examinations, this chapter typically carries around 5 to 8 marks. Common question types include fill in the blanks, matching the phases of the moon, short answers about why stars are not seen during the day, and drawing or identifying the sun and moon.
Frequently Asked Questions
Why don't we see stars during the day?
We cannot see stars during the day because the light of the sun is very bright and hides the faint light of the distant stars.
Does the moon have its own light?
No, the moon does not have its own light. It shines because it reflects the light of the sun.
Why does the sun look bigger than other stars?
The sun looks bigger and brighter than other stars because it is much closer to the Earth than any other star.
Learn Our Sky with Your AI Tutor
10 different ways to study this chapter. Free for 3 chapters per day.
Lecture
Key Points
Interactive
Quiz
Flashcards