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Class 5 Science - Earth and its Natural Satellites - CBSE Worksheets - 1

Class 5 Science - Earth and its Natural Satellites - CBSE Worksheets - 1

Multiple Choice Questions

(i) What is the outer layer of the Earth called?
(a) Mantle
(b) 
Core
(c) 
Crust
(d) 
Atmosphere

(ii)Which gas is NOT a main component of the Sun?
(a) Hydrogen
(b) 
Helium
(c) 
Oxygen
(d) 
Nitrogen

(iii) How thick is the Earth's crust beneath the ocean floor?
(a) 
5 kilometers
(b) 
30 kilometers
(c) 
70 kilometers
(d) 
2900 kilometers

(iv) What causes high tides in the ocean?
(a) 
Sun's heat
(b) 
Moon's gravity
(c)
Wind patterns
(d) 
Earth's rotation

(v) Which is the first artificial satellite launched by India?
(a)
GSAT-15
(b) 
Aryabhata
(c) 
EDUSAT
(d) 
Chandrayaan-1

Fill in the Blanks


(i) The ______ is the hottest part of the Sun.
(ii) The Moon takes about ______ month to go around the Earth.
(iii) The ______ is the layer of air that surrounds the Earth.\
(iv)The Earth's crust can be as thick as ______ kilometers under the continents.
(v) _________ are used for weather forecasting and  transmitting signals.

Class 5 Science - Earth and its Natural Satellites - CBSE Worksheets - 1

True or False


(i) The inner core of the Earth is made up of liquid iron and nickel.
(ii) The Moon has its own light source.
(iii) A total solar eclipse occurs when the moon completely blocks the sun.
(iv)Tides are affected only by the moon's gravity.
(v) The corona is a thick layer of air around the sun.

Match the Following

Column AColumn B
1. Lunar EclipseA. Man-made object orbiting Earth
2. CoreB. A phase where the Earth is between the Sun and Moon
3. Artificial SatelliteC. The innermost layer of the Earth
4. TidesD. The rise and fall of ocean water levels
5. Apollo 11E. First spacecraft to land on the Moon

Answer the Following Questions


(i) What is the core of the Sun responsible for?
(ii) Describe the internal structure of the Earth.
(iii) How do tides occur due to the Moon?
(iv) What are the effects of a solar eclipse?
(v) What is the significance of Chandrayaan-1?

You can access the solutions to this worksheet here.

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FAQs on Class 5 Science - Earth and its Natural Satellites - CBSE Worksheets - 1

1. What is the definition of a natural satellite?
Ans. A natural satellite is a celestial body that orbits a planet or a smaller body in space. The most well-known natural satellite is the Moon, which orbits Earth. Natural satellites are formed through various processes, including the accumulation of debris in space or the capture of asteroids by a planet's gravity.
2. How many natural satellites does Earth have?
Ans. Earth has one natural satellite, which is the Moon. It is the fifth largest moon in the solar system and plays a significant role in influencing Earth's tides and stabilizing its axial tilt.
3. What are the key differences between natural and artificial satellites?
Ans. Natural satellites are celestial bodies that occur naturally in space and orbit planets, while artificial satellites are human-made objects launched into space for various purposes, such as communication, weather monitoring, and scientific research. Natural satellites are typically much larger and can have complex geological features, while artificial satellites are designed for specific functions and vary in size and shape.
4. How does the Moon affect Earth's tides?
Ans. The gravitational pull of the Moon creates bulges in Earth's oceans, leading to high tides in the areas closest to the Moon. As the Earth rotates, these bulges move, resulting in varying tide levels throughout the day. The Sun also influences tides, but the Moon has a more significant impact due to its proximity to Earth.
5. What are some other examples of natural satellites in our solar system?
Ans. Besides Earth's Moon, there are many other natural satellites in our solar system. For example, Jupiter has over 79 known moons, including the largest, Ganymede. Saturn also has a significant number of moons, with Titan being the largest and one of the most interesting due to its dense atmosphere and surface lakes of liquid methane.
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