Our Universe(5th Grade > Science ) Questions and answers for exam Preparation

5th Grade > Science

OUR UNIVERSE MCQs

Total Questions : 56 | Page 3 of 6 pages

Question 21. The Moon casts a shadow on the Earth during a ___.

Meteor Eclipse
Lunar Eclipse
Planetary Eclipse
Solar Eclipse

Discuss Question

Answer: Option D. -> Solar Eclipse
:
D
During a solar eclipse, the position of the Moon is in between the Earth and the Sun as a result of which the Moon ends up casting its shadow on the Earth.

The Moon Casts A Shadow On The Earth During A ___.

Question 22. Region of universe that lies between the orbits of Mars and Jupiter is known as:

kuiper belt
comet belt
oort cloud
asteroid belt

Discuss Question

Answer: Option D. -> asteroid belt
:
D
Asteroid are rocky and metallic objects that orbit around the Sun.
The vast majority of asteroids that orbit within the main asteroid belt are located between the orbits of Mars and Jupiter.

Question 23. Anu's uncle is a scientist and he has an instrument with which he can observe the moon up close. Which instrument could it be?

Microscope
Binoculars
Telescope
Magnifying glass

Discuss Question

Answer: Option C. -> Telescope
:
C
Scientists who study planets and stars are called Astronomers. They use a Telescope to have a closer look at objects in space.

Question 24. A supermassive ___ is present in the centre of the Milky Way galaxy.

black planet
black hole
dwarf planet
star

Discuss Question

Answer: Option B. -> black hole
:
B
- A supermassive black hole is present in the centre of the Milky Way galaxy.
- It is a region from which nothing can escape, not even light.

Question 25. Which of the following terms mean "to spin on an axis"?

Revolution
Rotation
Gravity
Swirl

Discuss Question

Answer: Option B. -> Rotation
:
B
Rotation means to spin on one's own axis. The Earth for example rotates on its imaginary axis and completes one full rotation every 24 hours.

Question 26. An astronaut's footprints on the Moon will stay for a long time and never be run over by dust due to:

absence of gravity
speed of revolution around Earth
distance from Earth
absence of atmosphere

Discuss Question

Answer: Option D. -> absence of atmosphere
:
D
There is no atmosphere on the Moon, so there is no wind to move dust or soil around. Unless another spaceship or astronaut disturbs the soil, the footprint will not disappear.

An Astronaut's Footprints On The Moon Will Stay For A Long T...

Question 27.

Which among the following planet has the fastest speed of rotation?

Neptune
Jupiter
Pluto
Earth

Discuss Question

Answer: Option B. -> Jupiter
:
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 28.

"The Great Red Spot" is a huge storm in the atmosphere of ___.

Uranus
Neptune
Jupiter
Earth

Discuss Question

Answer: Option C. -> Jupiter
:
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 29.

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

Discuss Question

Answer: Option C. -> Waning
:
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 30.

The increasing phase size of the moon is called_______

Whirling
Crescenting
Waning
Waxing

Discuss Question

Answer: Option D. -> Waxing
:
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.