Class 4 EVS Chapter 10 Our Sky helps students understand how the sky changes during the day, how the Sun and Moon behave, and how these changes affect our daily life.
The sky is always changing and full of wonders. During the day, we see the bright Sun, and at night, we see the Moon and stars. The color of the sky changes from morning to evening, and even the size and shape of the Moon change over time.
Chapter 10 Our Sky Worksheet
Designed according to the latest curriculum our worksheets provide a variety of practice questions such as MCQs, fill-in-the-blanks, and short and long answer questions.
With clear, engaging, and well-organized content, these worksheets help students understand concepts better, prepare confidently for exams, and develop a strong foundation in science.
Through simple observations and activities, this chapter helps us understand:
- Changes in the sky during morning, afternoon, and night
- The movement of the Sun which causes day and night
- Formation and changes in shadows
- The beauty of the night sky with stars and the Moon
- Phases of the Moon and their importance
This chapter encourages children to observe nature carefully – like changes in animals, plants, and human activities during different times of the day.
Also download:
Class 4th EVS NCERT Solutions
Veena Hindi Worksheet for Class 4
EVS Class 4 Chapter 10 Study Notes
The Changing Sky
- The sky looks different at different times of the day.
- Morning sky appears orange or light-colored.
- Afternoon sky is bright and blue.
- Night sky is dark with stars and the Moon.
The Sun
- The Sun is the brightest object in the sky.
- It gives us light and heat.
- The Sun appears to:
- Rise in the East
- Move overhead at noon
- Set in the West
Shadows
- A shadow is formed when an object blocks light.
- Shadows:
- Move with us
- Change shape and size
- Shadow Changes During the Day:
- Morning: Long shadows
- Noon: Short shadows
- Evening: Long shadows (opposite direction of morning)
Shadows and Time
- In ancient times, people used shadows to tell time.
- A device called a sundial was used for this purpose.
The Moon
- The Moon is the largest object in the night sky.
- Its shape changes every night.
Phases of the Moon:
- Full Moon (Poornima): Full round Moon
- Crescent Moon: Looks like the letter ‘C’
- New Moon (Amavasya): Moon not visible
Class 4 EVS Chapter 10 Question Answer
Que. Describe the changes in the sky during morning, afternoon, and night.
Ans. The sky appears orange in the morning, bright and blue in the afternoon, and dark with stars and the Moon at night.
Que. Explain how shadows change during the day.
Ans. Shadows are long in the morning, shortest at noon, and long again in the evening but in the opposite direction.
Que. Write about the movement of the Sun in the sky.
Ans. The Sun appears to rise in the East, moves overhead at noon, and sets in the West.
Que. Describe different shapes of the Moon.
Ans. The Moon changes shape every night—sometimes full (Poornima), sometimes half, sometimes crescent, and sometimes not visible (Amavasya).
Que. How do shadows help us?
Ans. Shadows help us understand the position of the Sun and were used in ancient times to tell time using sundials.
