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