Welcome to your Class 5 Science Chapter 9 Test 2
1.
For weather information, ________ Satellites are used.
2.
________ Satellites are commonly used for communication purposes and transmit TV signals across the world.
3.
________ is also called morning star
4.
Earth has ________ moon.
5.
The ________ which are made by humans to revolve around the Earth are called artificial satellites.
6.
The Earth rotates about its axis with a speed of ________ per hour over the equator.
7.
Jupiter has ________ moons.
8.
The Earth rotates about its axis from ________.
9.
The whole earth can be covered by three ________ Satellites for global transmission of radio and TV programs.
10.
The satellites revolving in the orbits around the Earth with the same speed as that of the Earth are known as ________satellites.
11.
Uranus has ________ moons.
12.
Neptune has ________ moons.
13.
Information through Radio, TV and Internet reach in each part of the world because of ________.
14.
The bright object that we see the on the horizon just before sunrise or after sunset is the planet, ________.
15.
Geostationary Satellites orbit at a heigh of about ________ and are positioned directly above equator.
16.
Higher the satellite, the ________ is its speed.
17.
Higher the satellite, ________ is the time required to complete its one orbit.
18.
________ Satellites help to transmit signals of Radio, TV and mobile phones from one place to another.
19.
Saturn has ________ moons.
20.
Mars has ________ moons.
21.
The earth rotates about its axis from west to east. Hence the Sun, Moon and stars appear to move from ________.
22.
The study of the Earth from orbiting satellites is known as ________.
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