STD 3 EVS (The World Around Us – Part 2) Chapter 3: Our Universe – Sun, Earth and Moon | Question-Answers
3.Our Universe – Sun, Earth and Moon
STD 3 EVS (The World Around Us – Part 2)
Chapter 3: Our Universe – Sun, Earth and Moon
Maharashtra State Board
🌍 Observe the Globe and Answer
Q1. What is shown by the blue colour on the globe?
Answer:
The blue colour on the globe represents water on the Earth.
Q2. What colours are used to show the water and land areas on the globe?
Answer:
- Blue – Water
- Green/Brown – Land
🌞 Observe and Answer
Q1. What is the colour of the Sun at sunrise?
Answer:
The Sun appears orange at sunrise.
Q2. Is the size of the Moon the same every day?
Answer:
No. The Moon appears to change its shape every day.
🌞 Let’s Understand
Q1. Why does the shape of the Sun look the same every day?
Answer:
The Sun is a huge ball of hot gases, so its shape always appears the same.
Q2. Why does the size of the Moon appear to change every day?
Answer:
The Moon does not change its shape. We see different illuminated parts of the Moon as it revolves around the Earth.
🧭 Think About
Directions from the House
| Place | Direction |
| School | East |
| Shop | North |
| Hospital | West |
| Bus Stop | South |
Solve the Crossword
Major Directions
- East
- West
- North
- South
🗺️ Observe the Map and Answer
Q1. Name the directions shown on the map.
Answer:
The four main directions shown on the map are:
- North
- South
- East
- West
Q2. Which symbol indicates the district headquarters on the map?
Answer:
A circle with a dot (●) indicates the district headquarters.
Q3. How many talukas are shown on the district map?
Answer:
There are seven talukas shown on the district map.
📍 My District
Find your district and colour it on the map.
Example Answer:
My District: Mumbai
Places Around My District
| Direction | District / State / Sea |
| East | Thane District |
| West | Arabian Sea |
| North | Mumbai Suburban District |
| South | Raigad District |
Note: Students should write the names according to their own district if different from Mumbai.
📝 Let’s Revise
A. Fill in the Blanks
- The large landmass on the Earth is called a continent.
- The direction in which the Sun rises is called the East direction.
- In the solar system, the Sun is a star that has its own light.
- When you stand facing East, the South direction is on your right side.
B. Answer in One Sentence
Q1. Why is the Earth called the Water Planet?
Answer:
The Earth is called the Water Planet because about three-fourths of its surface is covered with water.
Q2. What is rotation?
Answer:
The spinning of the Earth on its own axis is called rotation.
Q3. What is a map?
Answer:
A map is a drawing that represents the whole or a part of the Earth’s surface.
C. Answer in Short
Q1. What are landforms? Give two examples.
Answer:
Landforms are the natural features found on the Earth’s surface.
Examples:
- Mountain
- River
Q2. Write the difference between Full Moon Day and New Moon Day.
| Full Moon Day | New Moon Day |
| The whole Moon appears bright and round. | The Moon is not visible in the sky. |
Q3. What would happen if the Earth stopped rotating?
Answer:
If the Earth stopped rotating:
- One side would always face the Sun and become very hot.
- The other side would remain dark and very cold.
- Day and night would not occur normally.
🌙 Draw the Phases of the Moon
Draw the following moon phases:
- 🌒 Crescent Moon
- 🌓 Half Moon (8th Day)
- 🌕 Full Moon
🏠 Activity
Q1. Stand in the centre of a room in your house and list the objects in each direction.
| Direction | Example |
| East | Window |
| West | Door |
| North | Cupboard |
| South | Bed |
Note: Write the objects according to your own house.
Q2. Find the buildings in all four directions around your house and write their uses.
| Direction | Building | Use |
| East | Shop | Selling goods |
| West | House | Living |
| North | School | Education |
| South | Hospital | Medical treatment |
Note: Write the names of the buildings around your own home.
Q3. Draw a Map of the Surroundings of Your House
Draw a simple map showing:
- Your house
- Roads
- Trees
- Shops
- School
- Nearby buildings
🎯 Activity
Find the direction of your house using a compass or the compass app on a mobile phone.
Answer:
Use a compass or a mobile compass application to find the North, South, East, and West directions of your house.
⭐ Key Points to Remember
- 🌍 Earth is called the Water Planet.
- ☀️ The Sun is a star and has its own light.
- 🌙 The Moon reflects the Sun’s light.
- 🌎 The Earth rotates on its axis, causing day and night.
- 🧭 The four main directions are North, South, East, and West.
- 🗺️ A map represents the Earth’s surface on a flat sheet.
- 🌕 The Moon appears in different phases during a month.