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Olympiad Test: Stars & the Solar System


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20 Questions MCQ Test Science Class 8 | Olympiad Test: Stars & the Solar System

Olympiad Test: Stars & the Solar System for Class 8 2022 is part of Science Class 8 preparation. The Olympiad Test: Stars & the Solar System questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: Stars & the Solar System MCQs are made for Class 8 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Stars & the Solar System below.
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Olympiad Test: Stars & the Solar System - Question 1

Which of the following physical quantities has light year as its unit?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 1

One light year is the distance travelled by light in one year, i.e. 9.46×1012km.

Olympiad Test: Stars & the Solar System - Question 2

Identify the closest star to our solar system.

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 2

The sun is a part of the solar system. Proxima Centauri is about 4.3 light years from the earth and nearest to the solar system.

Olympiad Test: Stars & the Solar System - Question 3

What are groups of stars which seem to form a pattern called?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 3

Constellation is a group of stars that appear to form some kind of pattern.

Olympiad Test: Stars & the Solar System - Question 4

What is the approximate height of a geostationary satellite?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 4

36, 000 km is the approximate height of a geostationary satellite from the earth.

Olympiad Test: Stars & the Solar System - Question 5

Which of the following is the first Indian satellite?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 5

India joined the space club on April 19, 1975 On June 19, 1979, Bhaskara 1, India's second satellite was put into orbit successfully.

Olympiad Test: Stars & the Solar System - Question 6

What kind of a planet is Jupiter?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 6

Jupiter is the largest planet and it is made up of gas.

Olympiad Test: Stars & the Solar System - Question 7

How do stars appear to move?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 7

Stars appear to move from east to west. This is because the earth rotates on its axis from west to east.

Olympiad Test: Stars & the Solar System - Question 8

To which of the following category does Orion belong?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 8

Orion is the name of a constellation which means the hunter.

Olympiad Test: Stars & the Solar System - Question 9

Which planet has "the great red spot"?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 9

The great red spot on Jupiter's surface is actually a huge storm.

Olympiad Test: Stars & the Solar System - Question 10

Where is a spy satellite deployed?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 10

A spy-satellite is an earth observation satellite (or) communication satellite deployed in a low-earth orbit, for military (or) intelligence applications.

Olympiad Test: Stars & the Solar System - Question 11

What is Ceres?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 11

Ceres is an asteroid that was first discovered and it is also the largest.

Olympiad Test: Stars & the Solar System - Question 12

Which of the following is the brightest non-star visible to the human eye?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 12

The moon is not a star. It is the only natural satellite visible to us on the earth.

Olympiad Test: Stars & the Solar System - Question 13

Which is the only moon in the solar system with active volcanoes?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 13

The only moon in the solar system with active volcanoes is lo.

Olympiad Test: Stars & the Solar System - Question 14

Which is the largest, natural satellite in the solar system?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 14

Ganymede, one of the many moons of Jupiter, is the largest satellite in our solar system.

Olympiad Test: Stars & the Solar System - Question 15

Which of the following planets can be seen with naked eyes?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 15

Mercury, Mars, Venus and Jupiter can be seen with the naked eye.

Olympiad Test: Stars & the Solar System - Question 16

In which orbits do satellites revolve?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 16

Natural satellites e.g., moon revolve around the earth in an elliptical orbit. Geostationary satellites revolve around the earth in circular orbits.

Olympiad Test: Stars & the Solar System - Question 17

Identify the biggest constellation.

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 17

The largest of the 88 recognized constellations is Hydra. It is best seen from the southern hemisphere. The smallest constellation is Crux.

Olympiad Test: Stars & the Solar System - Question 18

Of which element is ozone made?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 18

Ozone is made up of oxygen.

Olympiad Test: Stars & the Solar System - Question 19

Who proved that the planets revolve around the sun in elliptical orbits?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 19

Johannes Kepler proved that the planets revolve around the sun in elliptical orbits. He also formulated the laws of planetary motion, which have been named after him.

Olympiad Test: Stars & the Solar System - Question 20

Between 1979 and 1999, which of these planets was the farthest from the sun?

Detailed Solution for Olympiad Test: Stars & the Solar System - Question 20

Between 1979 and 1999, the farthest planet from the sun was Neptune.

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