Class 4 Evs - TELANGANA

Our Sky

The chapter 'Our Sky' for Class 4 Telangana (TSBSE) students explores the wonders visible above us during the day and night. Students will learn about the Sun, Moon, stars, and clouds, understanding how the Sun gives us heat and light, why the Moon changes its shape, and why stars twinkle only at night. This chapter helps children connect with their natural environment, builds basic astronomical awareness, and lays a strong foundation for future science studies by encouraging observation of celestial bodies and natural phenomena.

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Key Concepts

The Sun

The Sun is a huge ball of hot gases that gives us light and heat, making life on Earth possible.

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 every night.

Stars

Stars are huge, glowing bodies in space that have their own light, but they look small because they are very far away from us.

Day and Night

We see the Sun and blue sky during the day, while at night, the sky turns dark and we see the Moon and twinkling stars.

Phases of the Moon

The different shapes of the Moon that we see from Earth over a month are called phases of the Moon.

Important Formulas

Sun = Source of natural heat and light for Earth
Moon's Light = Reflected sunlight from the Sun
Day = Time when our side of Earth faces the Sun
Night = Time when our side of Earth faces away from the Sun

Board Exam Info

In Telangana (TSBSE) Class 4 EVS exams, this chapter typically carries around 4 to 6 marks. Common question types include fill in the blanks about the Sun and Moon, short answer questions on why stars twinkle or why the Moon changes shape, and drawing or identifying pictures of the Sun, Moon, and stars.

Frequently Asked Questions

Why do stars not twinkle during the day?

Stars are present in the sky during the day as well, but the bright light of the Sun makes them invisible to us.

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 falling on it.

Why does the Moon change its shape every night?

The Moon does not actually change its shape. As it revolves around the Earth, we see different portions of the lighted side of the Moon, which makes it look like its shape is changing.

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