WorksheetsMisssion mars and black hole
Total questions: 25
Worksheet time: 13mins
: For ancient Romans planet Mars was Symbolic of
peace and tranquility
Friendship and love
blood and war
Supernatural entity
: Another name for Mars is
Blue planet
yellow planet
green planet
red planet
: Today the Planet Mars is considered as
Story of the past
One of the ordinary planet of our solar system
A bright future of humanity
None of above
: Story of Mars began
5.4 billion years ago
6.5 billion years ago
4.5 billion years ago
3 billion years ago
Mars is a __________ planet of our solar system
First
second
Third
Fourth
: Mars was formed when
Water and dust swirled together
Air and water swirled together
Gas and dust swirled together
Fire and gas swirled together
: Diameter of Mars is
Equal to the width of Asia
More than the length of America
Little less than width of africa
More than the diameter of Venice
The surface area of Mars is similar to that of
all of earths continents combined
all of America and Africa combined
all of subcontinents combined
all of Russia states combined
Core of Mars is made up of
bronze and nickle
nickel and cobalt
Silver and gold
Iron, nickle and sulphur
Crust of Mars is rich in
Sodium
Iron
Calcium
Silicon
Mars is looked red as
there is lots of explosion there
Its color is red
iron in the crust react with oxygen and atmosphere and rusts
it reflects only red colour
In the past planet Mars was a warmer planet but today the temperature has dropped to as low as
0 degrees Fahrenheit
Negative 10 degrees Fahrenheit
Negative 455 degrees Fahrenheit
Negative 225 degrees Fahrenheit
: There are some evidences of presence of ________ in the past on the planet Mars.
Water
Fire
Humans
Animals
Today water still exists on the Mars mostly in the form of
Air droplets
Lakes
rivers
polar ice caps
Since _______ space programs from around the world launched missions to Mars
1860
1960
1760
2010
The purpose of these missions to Mars is
To understand the position of the planet in our galaxy
To measure the exact diameter of the planet
To understand the planet’s past, present and potential for sustaining life
To have a fun trip to the planet
: Mars gives the hope of survival of humanity on its surface in the near future because
It has crust of iron
It is really near to Earth
It has mountains
It has some traces of water
: Mars is the ________ planet of our solar
Largest
medium
second smallest
none of above
a black hole is the region in space where the force of gravity is strong
Yes
No
Not even light,the fastest known entity in our universe can escape.
Yes
No
The boundary of a black hole is called........
Event horizon
Event masses
super horizon
none of above
Steller black holes form when massive stars______
Arises
die and collapse
born and twinkle
all of above
Mass of black holes are roughly ______times the mass of our sun
100 times
10-20 times
500 times
1000 times
Black holes exist at the center of just about every large galaxy,including our own
Yes
No
Black holes remained largely unknown until the ______century
17th century
20th century
18th century
15th century
