All questions of Movements of Earth for Class 5 Exam

Introduction:
The tilt of the Earth's axis is responsible for the change in seasons across the globe. As the Earth orbits the sun, different parts of the planet receive direct rays of sunlight at different times of the year. This phenomenon is caused by the tilt of the Earth's axis, which is 23.5 degrees relative to its orbit.

Tropic of Cancer and Tropic of Capricorn:
The Tropic of Cancer and the Tropic of Capricorn are two important lines of latitude that mark the boundaries of the tropical zone. The Tropic of Cancer is located at approximately 23.5 degrees north of the equator, while the Tropic of Capricorn is located at approximately 23.5 degrees south of the equator. These lines of latitude are significant because they represent the farthest points north and south where the sun can appear directly overhead at noon.

The South Pole and Direct Rays of the Sun:
On 22nd December, the South Pole experiences the summer solstice. This means that the South Pole is tilted towards the sun, and the sun appears at its highest point in the sky. As a result, the South Pole receives direct rays of sunlight, leading to long daylight hours and warm temperatures.

Correct Answer:
The correct answer to the given question is option B - Tropic of Capricorn. The Tropic of Capricorn is the line of latitude that runs through the South Pole's location on 22nd December. On this day, the South Pole tilts towards the sun, and the Tropic of Capricorn receives direct rays of sunlight.

Conclusion:
Understanding the tilt of the Earth's axis and its effect on the distribution of sunlight is important for comprehending the change in seasons. The Tropic of Capricorn is the line of latitude that receives direct rays of the sun on 22nd December, as the South Pole tilts towards it.

Understanding the Earth's Tilt and Sunlight Distribution
During the yearly orbit of the Earth around the Sun, the tilt of the Earth's axis plays a crucial role in determining how sunlight is distributed across the planet.
The Earth's Tilt
- The Earth is tilted at an angle of approximately 23.5 degrees.
- This tilt affects how sunlight reaches different parts of the Earth throughout the year.
Position of the North Pole
- When the North Pole is tilted towards the Sun, the Northern Hemisphere experiences more direct sunlight.
- This position occurs around June 21, marking the summer solstice in the Northern Hemisphere.
Effects of Sunlight on Climate
- More sunlight means warmer temperatures and longer days for the Northern Hemisphere.
- This leads to the summer season in countries located in this hemisphere.
Conclusion
- When the North Pole is tilted towards the Sun, it results in increased sunlight, which is why option 'B' is the correct answer.
- Understanding this concept helps explain seasonal changes and variations in climate experienced around the world.
By recognizing the importance of the Earth's tilt and its relationship with the Sun, we can better understand the patterns of light and darkness that influence our environment.

Understanding Earth's Seasons
The changing seasons on Earth are primarily caused by the tilt of the Earth's axis. Here’s a detailed explanation:
1. Earth's Tilt
- The Earth is tilted at an angle of about 23.5 degrees.
- This tilt is crucial because it affects how sunlight reaches different parts of the Earth throughout the year.
2. Sunlight Distribution
- When the Northern Hemisphere is tilted toward the sun, it experiences summer.
- At the same time, the Southern Hemisphere is tilted away, leading to winter.
- Conversely, when the Southern Hemisphere tilts toward the sun, it experiences summer while the Northern Hemisphere has winter.
3. Length of Daylight
- The tilt of the axis also affects the length of daylight hours.
- During summer, days are longer, allowing more sunlight to warm the Earth.
- In winter, days are shorter, resulting in less sunlight and cooler temperatures.
4. Seasonal Changes
- As the Earth orbits the sun, different regions receive varying amounts of sunlight, leading to the four distinct seasons: spring, summer, autumn, and winter.
- The change in seasons affects weather patterns, plant growth, and animal behaviors.
Conclusion
The tilt of the Earth's axis is the primary reason for the different seasons. This tilt, combined with the Earth's orbit around the sun, leads to variations in sunlight and temperature, creating the seasonal changes we experience each year.

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Understanding Earth's Axial Tilt
The tilt of the Earth's axis is a significant factor that influences various aspects of our planet, including seasons, climate, and the length of days.
What is the Axial Tilt?
- The Earth's axis is an imaginary line that runs from the North Pole to the South Pole.
- This axis is tilted at an angle of approximately 23.5 degrees relative to its orbital plane around the Sun.
Importance of the Tilt
- The tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year.
- This variation in sunlight is responsible for the changing seasons: spring, summer, autumn, and winter.
How Does It Affect Seasons?
- During summer in the Northern Hemisphere, the North Pole is tilted toward the Sun, resulting in longer days and warmer temperatures.
- Conversely, during winter, the North Pole is tilted away from the Sun, leading to shorter days and colder temperatures.
Conclusion
- The axial tilt of approximately 23.5 degrees is crucial for creating the dynamic climate and seasonal patterns we experience on Earth.
- Understanding this tilt helps us appreciate the natural rhythms of our planet and the conditions that support life.
This fascinating aspect of Earth's orientation not only defines our seasons but also plays a vital role in the overall climate and ecological balance.

Types of Motions of Earth
Earth has two main types of motions:

1. Rotation
- Earth rotates on its axis from west to east. This rotation causes the cycle of day and night.
- It takes approximately 24 hours for Earth to complete one full rotation.
- The speed of Earth's rotation at the equator is about 1670 km/h.

2. Revolution
- Earth revolves around the Sun in an elliptical orbit. This revolution is responsible for the change of seasons.
- It takes about 365.25 days for Earth to complete one full revolution around the Sun.
- The axis of Earth is tilted at an angle of 23.5 degrees, which is why we experience different seasons throughout the year.
These two motions, rotation, and revolution, are essential for the existence of life on Earth. Rotation provides us with day and night, while revolution determines the change of seasons. Both motions work together to create a balanced environment that supports various forms of life on our planet.