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Visual Worksheet: The Earth | Science for Class 3 PDF Download

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E A R T H
Earth is the third planet from the
sun. "Earth" means "the ground". It
is the fifth largest of the planets in
the Solar System and has one
moon. Earth has water, sun and
food meaning that life is
sustainable on Earth.
How did Earth get its name?
How many other planets are largest than Earth?
What does "sustainable" mean?
Why are living things able to survive on Earth?
What other facts do you know about Earth?
Page 2


E A R T H
Earth is the third planet from the
sun. "Earth" means "the ground". It
is the fifth largest of the planets in
the Solar System and has one
moon. Earth has water, sun and
food meaning that life is
sustainable on Earth.
How did Earth get its name?
How many other planets are largest than Earth?
What does "sustainable" mean?
Why are living things able to survive on Earth?
What other facts do you know about Earth?
S O L U T I O N S
Earth is the third planet from the
sun. "Earth" means "the ground". It
is the fifth largest of the planets in
the Solar System and has one
moon. Earth has water, sun and
food meaning that life is
sustainable on Earth.
How did Earth get its name?
How many other planets are largest than Earth?
What does "sustainable" mean?
Why are living things able to survive on Earth?
What other facts do you know about Earth?
Earth got its name from old words that mean "ground". 
Four planets are larger than Earth.
It means something can keep going without running out.
Because Earth has air, water and food
Earth is the only planet we know with life, and it has one moon!
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FAQs on Visual Worksheet: The Earth - Science for Class 3

1. What is the Earth and why is it important to us?
Ans. The Earth is the third planet from the Sun and the only known planet that supports life. It provides us with essential resources like air, water, and food. The Earth's atmosphere protects us from harmful solar radiation, and its diverse ecosystems support a wide range of plants and animals.
2. How do we know that the Earth is round?
Ans. Scientists have determined that the Earth is round based on various pieces of evidence. Observations of ships disappearing over the horizon, photos from space, and the way the Earth casts a round shadow on the Moon during a lunar eclipse all support this conclusion. Additionally, gravity pulls objects toward the center, creating a spherical shape.
3. What are the major layers of the Earth?
Ans. The Earth is composed of three main layers: the crust, the mantle, and the core. The crust is the thin outer layer where we live. Beneath it lies the mantle, which is made of semi-solid rock and allows for tectonic movement. The core is divided into the outer core, which is liquid, and the inner core, which is solid and made mostly of iron and nickel.
4. How does the Earth's rotation affect day and night?
Ans. The Earth rotates on its axis, which takes about 24 hours to complete one full turn. This rotation causes different parts of the Earth to face the Sun or move away from it, resulting in day and night. When one side of the Earth is illuminated by the Sun, it experiences daytime, while the opposite side is in darkness, experiencing nighttime.
5. What are some ways we can protect the Earth?
Ans. We can protect the Earth by reducing waste, recycling materials, conserving water, and using renewable energy sources. Planting trees, protecting wildlife habitats, and reducing pollution are also important steps. Educating ourselves and others about environmental issues can help promote a healthier planet for future generations.
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