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