Free Our Universe 02 Practice Test - 5th Grade
Question 1
While observing the sky, Hina noticed that the moon is round and bright on one night and a week later, only half the moon was visible. Which of the following options correctly defines this phase of moon?
Crescenting
Whirling
Waning
Waxing
SOLUTION
Solution : C
- The Moon goes through a cycle of changing its shape when revolving around the Earth.
- After the full moon phase, the moon visible from Earth starts to decrease in size which is known as waning.
-This happens due to its position and sunlight falling on it.
Question 2
The increasing phase size of the moon is called_______
Whirling
Crescenting
Waning
Waxing
SOLUTION
Solution : D
The Moon goes through a cycle of changing its shape when revolving around the Earth. This happens due to its position and sunlight falling on it. Waning means to decrease and waxing means increasing.
Question 3
"The Great Red Spot" is a huge storm in the atmosphere of ___.
Uranus
Neptune
Jupiter
Earth
SOLUTION
Solution : C
- The great red spot on jupiter is a storm that is as big as 3 earths and has been active for 200 years.
- The reason for this ferocious storm is the high speed of rotation of jupiter.
Question 4
Which among the following planet has the fastest speed of rotation?
Neptune
Jupiter
Pluto
Earth
SOLUTION
Solution : B
- Jupiter has the fastest speed of rotation among all the planets of the solar system.
- As a result of Jupiter's high speed of rotation, the duration of one day in Jupiter is the shortest among all the planets in the solar system.
Question 5
An __ is a definite path in which planet revolves around the Sun.
SOLUTION
Solution : B
- A planet has a definite path in which it revolves around the Sun. This path is called an orbit.
Question 6
___ is the largest moon of Saturn.
SOLUTION
Solution : C
- Saturn has about 62 moons out of which Titan is the largest moon which is even bigger than mercury and pluto.
- Mimas, Dione and Tethys are also the moons of saturn.
Question 7
Which of the following statement(s) is/are correct in regard to planet Venus?
SOLUTION
Solution : A, B, and D
- Venus is the second planet from the Sun.
- It is the hottest and brightest planet in the solar system.
- It is a very dry planet with no evidence of water, oxygen and high surface temperature. These are some of the reasons due to which life is impossible on this planet.
Question 8
Which constellation is known to resemble a hunter?
Scorpio
Gemini
Pegasus
Orion
SOLUTION
Solution : D
- Constellations is a group of stars that forms an imaginary pattern.
- When Orion was noticed in the sky, people long long ago thought that it resembled a hunter. In Greek Mythology, Orion was a giant hunter.
Question 9
Which of the following is/are correct in regard to the Earth's axis?
SOLUTION
Solution : A, B, and C
- An imaginary line going through the centre of Earth from the North to South pole of Earth is called the axis.
- It is slightly tilted in such a way that the angle it makes with vertical is 23.4 degrees.
- The Earth rotates or spins about this imaginary axis.
- The axis is at different distances from the poles.
Question 10
Which of the following planet(s) is/are known as the Ice giant(s)?
SOLUTION
Solution : A and D
- Uranus and Neptune are composed mainly from ice. Moreover, they are too huge in size that multiple Earths could fit into them.
- Due to these reasons both these planets are known as Ice Giants.