WorksheetsPatterns in the sky
Total questions: 89
Worksheet time: 45mins
Name
Class
Date
1.
A boy on slide moves down toward the ground due to the effect of…..
a)
the boy's height
b)
gravity
c)
friction
d)
the temperature of air
2.
Gravity keeps the moon in orbit around …..
a)
Sun
b)
Earth
c)
itself
d)
another moon
3.
Gravitational force of Earth is affected by…
a)
mass and time
b)
mass and distance
c)
mass only
d)
distance only
4.
If there is no Earth's gravity, the moon would…….
a)
revolve faster around Earth
b)
still orbit Earth
c)
attract to Earth
d)
float off into space
5.
All the following are properties Earth's gravity,except……
a)
it pushes objects upward
b)
it affects the moon
c)
it pulls objects downward
d)
it is a type of attraction force
6.
Earth attracts objects towards……
a)
its center
b)
the sky
c)
the moon
d)
the sun
7.
Which of the following examples does not clearly explain how the force of gravity pulls objects toward the center of Earth?
a)
An apple falls down from a tree onto the soil
b)
A skydiver jumps out of an airplane
c)
A pen moves on a table and drops onto the floor
d)
A rocket moves up toward the sky
8.
Which force pulls a basketball to fall into the basketball hoop?.…
a)
Magnetism
b)
Friction
c)
Gravity
d)
Motion
9.
Magnetism is a kind of …..force
a)
attraction only
b)
repulsion only
c)
visible
d)
invisible
10.
Wind turbine blades move by the effect of
a)
magnetism
b)
wind
c)
electricity
d)
water vapour
11.
A person can exert a weak force to move……
a)
a big truck
b)
a toy car
c)
a real car
d)
a very big rock
12.
All the following are properties of magnetism,except …..
a)
it is an invisible force
b)
it happens only between two touched objects
c)
it may push another magnet away
d)
it may pushing or pulling force
13.
Which of the following statements describes gravityin a correct way
a)
Gravity pulls objects only
b)
Gravity is found in on Earth only
c)
Gravity pushes objects away from each other
d)
Gravity increases between small objects
14.
In contact force,the two objects need to ……each other
a)
attract
b)
repel
c)
touch
d)
break
15.
Any object has mass must have…..
a)
gravity force
b)
definite colour
c)
definite shape
d)
electric charge
16.
Force acts on all objects on Earth
a)
Gravity
b)
Speed
c)
Electric
d)
Magnetism
17.
Gravity depends on the ……of a body
a)
speed
b)
mass
c)
length
d)
age
18.
Which of the following examples shows the effect of gravity glearly?
a)
Apaper clip moves toward a magnet
b)
A ball slows down while rolling on the ground
c)
A car speeds up on a road
d)
A ball falls down toward the ground
19.
A table stands on the ground need ….to move
a)
sunlight
b)
mass
c)
force
d)
air
20.
All the following sentences are related to gravity,except
a)
it is a pulling force
b)
it can change the direction of a moving object
c)
it increases the mass of an object
d)
it arisis between Earth and the moon
21.
Friction force ….the movement of object
a)
slow down
b)
increases
c)
speeds up
d)
doesn't affect
22.
Magnetism is a force that attracts objects made of the following materials except
a)
iron
b)
nickle
c)
wood
d)
cobalt
23.
The force that opposes the movement of objects as they pass through air is known as …..
a)
magnetism
b)
gravity
c)
electric
d)
air resistance
24.
All the following sentences shows the effect of gravity except
a)
the moon orbits the Earth
b)
the planets orbit the Sun
c)
the atmosphere is kept around the Earth
d)
The repulsion between two magnets
25.
…….is considered as atype of friction force
a)
Air resistance
b)
Magnetism
c)
Gravity
d)
Electric force
26.
Which the following objects has the least attraction force?
a)
The moon
b)
The Earth
c)
The Sun
d)
The magnet
27.
If you have two balls which are different in mass, which one of them will reach the ground first if we drop both of them from the same height?
a)
the ball with bigger mass
b)
the ball with smaller mass
c)
the two balls will reach the ground at the same time
d)
one ball will reach ground while the other ball moves upward
28.
What is the effect of air resistance on the speed of an object when it falls downward due to gravity?
a)
Air resistance speeds up the object as it falls
b)
Air resistance doesn't affect the speed of an object as it falls
c)
Air resistance slows an object as it falls
d)
Air reasistance changes the direction of an object as it falls
29.
When a basketball falls down from a height, it is affected by
a)
air resistance force only
b)
gravity force only
c)
air resistance and gravity force
d)
aire resistance and electric force
30.
If there is no air reistance on Earth and we droop an iron cube and wooden cube at the same time from the same height,theywill..
a)
reach the floor at the same moment
b)
reach the floor at different time
c)
be affected by magnetic force during falling
d)
move upward againest gravity force
31.
……is a factor that acts against gravity force
a)
Magnetism
b)
Mass of an object
c)
Air resistance
d)
Shape of an object
32.
The force of ……keeps the planets on their paths around the sun
a)
air resistance
b)
friction
c)
gravity
d)
electricity
33.
Which of the following objects will take longer time to reach the ground if they are dropped from 5 meter height at the same time?
a)
An iron ball
b)
A feather
c)
A plastic ball
d)
A hammer
34.
Gravity is ….froce that holds all objects in their places
a)
visible pulling
b)
visible pushing
c)
invisible pulling
d)
invisible
35.
The planets revolve around the Sun in fixed ….orbits
a)
oval
b)
irregular
c)
rectangular
d)
triangular
36.
The speed of Earth's revolution around the sun is nearly ….km per hour
a)
more than 100,000
b)
more than 200,000
c)
less than 100,000
d)
less than 50,000
37.
….is (are) the center of the solar system
a)
The Earth
b)
The Sun
c)
The moon and Earth
d)
The Sun and Earth
38.
Gravititional force ………, when the distance between two objects increases
a)
increases
b)
decreases
c)
not change
d)
vanished
39.
Gravitatuional force …………,as its mass increases
a)
increases
b)
decreases
c)
not change
d)
vanished
40.
Gravity pulls objects toward the center of Earth
a)
Right
b)
Wrong
41.
Objects are pushed away of each other due to gravity
a)
Right
b)
Wrong
42.
As the mass of an object increases, its gravitational attraction decreases
a)
Right
b)
Wrong
43.
Planets in the solar system revolve in fixed orbits due to the gravity between the Sun and planets
a)
Right
b)
Wrong
44.
If the gravity of Earth disappears the moon will float off into space
a)
Right
b)
Wrong
45.
The gravity of moon affects the ocean tides
a)
Right
b)
Wrong
46.
If two objects don't touch each other, there is no gravity between them
a)
Right
b)
Wrong
47.
The gravitational force of Earth to a person in a flying airplane is smaller than it when the same person stands on the ground
a)
Right
b)
Wrong
48.
Magnet must touch objects to attract them
a)
Right
b)
Wrong
49.
Gravity affects the movement of objects
a)
Right
b)
Wrong
50.
Force is the reason of motion of any body
a)
Right
b)
Wrong
51.
The change of an object position is called force
a)
Right
b)
Wrong
52.
Magnet has an invisible force called magnetism
a)
Right
b)
Wrong
53.
Gravity is similar to magnetism because both of them has only pulling force
a)
Right
b)
Wrong
54.
Gravity is attraction or repulsion force between two objects
a)
Right
b)
Wrong
55.
Planets revolve around the sun in fixed orbits due to the effect of gravity
a)
Right
b)
Wrong
56.
After leaving a squeezed spring,it has no force to return back to its original statre
a)
Right
b)
Wrong
57.
Small planets have bigger gravity than big planets
a)
Right
b)
Wrong
58.
Gravity affects only on the moving objects but doesn't affect the objects at rest
a)
Right
b)
Wrong
59.
The moon stay in fixed orbit around the Earth due to the gravity between them
a)
Right
b)
Wrong
60.
The force of magnet is always attraction force only
a)
Right
b)
Wrong
61.
All objects on Earth's surface is affected by magnetism force
a)
Right
b)
Wrong
62.
Gravity of Earth push objects towards its center
a)
Right
b)
Wrong
63.
The direction and mass of an object are changed due to gravity
a)
Right
b)
Wrong
64.
All objects are pulled toward the ground due to the effect of gravity
a)
Right
b)
Wrong
65.
Any object on Earth's surface is affected by repulsion force of gravity
a)
Right
b)
Wrong
66.
Gravity is not affected by gthe mass of an object
a)
Right
b)
Wrong
67.
Force of gravity can be seen easily, but we can not see its effects
a)
Right
b)
Wrong
68.
Gravity of Earth does not change the direction of a body that is thrown up into the air
a)
Right
b)
Wrong
69.
Earth pulls living organisms only toward its center
a)
Right
b)
Wrong
70.
When using the bicycle brake, the bicycle stops due to the friction force between the brake and the tires
a)
Right
b)
Wrong
71.
Magnetism is a type of friction force
a)
Right
b)
Wrong
72.
Skydiving sport depends on gravity force and air resistance force
a)
Right
b)
Wrong
73.
Friction force opposes the movement of an object
a)
Right
b)
Wrong
74.
Air resistance slows down the speed of parachutes
a)
Right
b)
Wrong
75.
Magnetism is the force that attracts some metals
a)
Right
b)
Wrong
76.
Air resistance is a factor that speeds up the falling objects
a)
Right
b)
Wrong
77.
All objects on Earth's surface are affected by gravity force which pulls objects downward
a)
Right
b)
Wrong
78.
There is no air in space so,air resistance slows down the movement of objects through space
a)
Right
b)
Wrong
79.
Heavier objects reach Earth's surface before smaller objects due to the effect of aire resistance which affects their movement
a)
Right
b)
Wrong
80.
If there is no air resistance on Earth, all objects will reach the Earth's surface at the same moment when dropping them from the same height
a)
Right
b)
Wrong
81.
Air resistance force acts in the opposite direction of gravity force
a)
Right
b)
Wrong
82.
Air resistance is a type of pulling force
a)
Right
b)
Wrong
83.
The Sun revolves around Earth
a)
Right
b)
Wrong
84.
The planets revolve around the Sun by the effect of gravitational pulling force
a)
Right
b)
Wrong
85.
Gravity is an attraction force that can be seen easily
a)
Right
b)
Wrong
86.
The Sun has no gravity
a)
Right
b)
Wrong
87.
The orbit of each planet has an ellipse shape
a)
Right
b)
Wrong
88.
The Earth's gravity keeps all planets in their orbits
a)
Right
b)
Wrong
89.
The scientist Nicolaus Copernicus stated that Earth revolves around the sun
a)
Right
b)
Wrong
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