Quiz about Patterns in the sky

Question 1

Which of the following examples does not clearly explain how the force of gravity pulls objects toward the center of Earth?

Accepted Answer

A rocket moves up toward the sky

Answer

An apple falls down from a tree onto the soil

Answer

A skydiver jumps out of an airplane

Answer

A pen moves on a table and drops onto the floor

Question 2

Wind turbine blades move by the effect of

Accepted Answer

wind

Answer

magnetism

Answer

electricity

Answer

water vapour

Question 3

Which of the following statements describes gravityin a correct way

Accepted Answer

Gravity pulls objects only

Answer

Gravity is found in on Earth only

Answer

Gravity pushes objects away from each other

Answer

Gravity increases between small objects

Question 4

Force acts on all objects on Earth

Accepted Answer

Gravity

Answer

Speed

Answer

Electric

Answer

Magnetism

Question 5

Which of the following examples shows the effect of gravity glearly?

Accepted Answer

A ball falls down toward the ground

Answer

Apaper clip moves toward a magnet

Answer

A ball slows down while rolling on the ground

Answer

A car speeds up on a road

Question 6

All the following sentences are related to gravity,except

Accepted Answer

it increases the mass of an object

Answer

it is a pulling force

Answer

it can change the direction of a moving object

Answer

it arisis between Earth and the moon

Question 7

Magnetism is a force that attracts objects made of the following materials except

Accepted Answer

wood

Answer

iron

Answer

nickle

Answer

cobalt

Question 8

All the following sentences shows the effect of gravity except

Accepted Answer

The repulsion between two magnets

Answer

the moon orbits the Earth

Answer

the planets orbit the Sun

Answer

the atmosphere is kept around the Earth

Question 9

Which the following objects has the least attraction force?

Accepted Answer

The magnet

Answer

The moon

Answer

The Earth

Answer

The Sun

Question 10

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?

Accepted Answer

the ball with bigger mass

Answer

the ball with smaller mass

Answer

the two balls will reach the ground at the same time

Answer

one ball will reach ground while the other ball moves upward

Question 11

What is the effect of air resistance on the speed of an object when it falls downward due to gravity?

Accepted Answer

Air resistance slows an object as it falls

Answer

Air resistance speeds up the object as it falls

Answer

Air resistance doesn't affect the speed of an object as it falls

Answer

Air reasistance changes the direction of an object as it falls

Question 12

When a basketball falls down from a height, it is affected by

Accepted Answer

air resistance and gravity force

Answer

air resistance force only

Answer

gravity force only

Answer

aire resistance and electric force

Question 13

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..

Accepted Answer

reach the floor at the same moment

Answer

reach the floor at different time

Answer

be affected by magnetic force during falling

Answer

move upward againest gravity force

Question 14

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?

Accepted Answer

A feather

Answer

An iron ball

Answer

A plastic ball

Answer

A hammer

Question 15

Gravity pulls objects toward the center of Earth

Accepted Answer

Right

Answer

Wrong

Question 16

Objects are pushed away of each other due to gravity

Accepted Answer

Wrong

Answer

Right

Question 17

As the mass of an object increases, its gravitational attraction decreases

Accepted Answer

Wrong

Answer

Right

Question 18

Planets in the solar system revolve in fixed orbits due to the gravity between the Sun and planets

Accepted Answer

Right

Answer

Wrong

Question 19

If the gravity of Earth disappears the moon will float off into space

Accepted Answer

Right

Answer

Wrong

Question 20

The gravity of moon affects the ocean tides

Accepted Answer

Right

Answer

Wrong

Question 21

If two objects don't touch each other, there is no gravity between them

Accepted Answer

Wrong

Answer

Right

Question 22

The gravitational force of Earth to a person in a flying airplane is smaller than it when the same person stands on the ground

Accepted Answer

Right

Answer

Wrong

Question 23

Magnet must touch objects to attract them

Accepted Answer

Wrong

Answer

Right

Question 24

Gravity affects the movement of objects

Accepted Answer

Right

Answer

Wrong

Question 25

Force is the reason of motion of any body

Accepted Answer

Right

Answer

Wrong

Question 26

The change of an object position is called force

Accepted Answer

Wrong

Answer

Right

Question 27

Magnet has an invisible force called magnetism

Accepted Answer

Right

Answer

Wrong

Question 28

Gravity is similar to magnetism because both of them has only pulling force

Accepted Answer

Wrong

Answer

Right

Question 29

Gravity is attraction or repulsion force between two objects

Accepted Answer

Wrong

Answer

Right

Question 30

Planets revolve around the sun in fixed orbits due to the effect of gravity

Accepted Answer

Right

Answer

Wrong

Question 31

After leaving a squeezed spring,it has no force to return back to its original statre

Accepted Answer

Wrong

Answer

Right

Question 32

Small planets have bigger gravity than big planets

Accepted Answer

Wrong

Answer

Right

Question 33

Gravity affects only on the moving objects but doesn't affect the objects at rest

Accepted Answer

Wrong

Answer

Right

Question 34

The moon stay in fixed orbit around the Earth due to the gravity between them

Accepted Answer

Right

Answer

Wrong

Question 35

The force of magnet is always attraction force only

Accepted Answer

Wrong

Answer

Right

Question 36

All objects on Earth's surface is affected by magnetism force

Accepted Answer

Wrong

Answer

Right

Question 37

Gravity of Earth push objects towards its center

Accepted Answer

Wrong

Answer

Right

Question 38

The direction and mass of an object are changed due to gravity

Accepted Answer

Right

Answer

Wrong

Question 39

All objects are pulled toward the ground due to the effect of gravity

Accepted Answer

Right

Answer

Wrong

Question 40

Any object on Earth's surface is affected by repulsion force of gravity

Accepted Answer

Wrong

Answer

Right

Question 41

Gravity is not affected by gthe mass of an object

Accepted Answer

Wrong

Answer

Right

Question 42

Force of gravity can be seen easily, but we can not see its effects

Accepted Answer

Wrong

Answer

Right

Question 43

Gravity of Earth does not change the direction of a body that is thrown up into the air

Accepted Answer

Wrong

Answer

Right

Question 44

Earth pulls living organisms only toward its center

Accepted Answer

Wrong

Answer

Right

Question 45

When using the bicycle brake, the bicycle stops due to the friction force between the brake and the tires

Accepted Answer

Right

Answer

Wrong

Question 46

Magnetism is a type of friction force

Accepted Answer

Wrong

Answer

Right

Question 47

Skydiving sport depends on gravity force and air resistance force

Accepted Answer

Right

Answer

Wrong

Question 48

Friction force opposes the movement of an object

Accepted Answer

Right

Answer

Wrong

Question 49

Air resistance slows down the speed of parachutes

Accepted Answer

Right

Answer

Wrong

Question 50

Magnetism is the force that attracts some metals

Accepted Answer

Right

Answer

Wrong

Question 51

Air resistance is a factor that speeds up the falling objects

Accepted Answer

Wrong

Answer

Right

Question 52

All objects on Earth's surface are affected by gravity force which pulls objects downward

Accepted Answer

Right

Answer

Wrong

Question 53

There is no air in space so,air resistance slows down the movement of objects through space

Accepted Answer

Wrong

Answer

Right

Question 54

Heavier objects reach Earth's surface before smaller objects due to the effect of aire resistance which affects their movement

Accepted Answer

Right

Answer

Wrong

Question 55

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

Accepted Answer

Right

Answer

Wrong

Question 56

Air resistance force acts in the opposite direction of gravity force

Accepted Answer

Right

Answer

Wrong

Question 57

Air resistance is a type of pulling force

Accepted Answer

Wrong

Answer

Right

Question 58

The Sun revolves around Earth

Accepted Answer

Wrong

Answer

Right

Question 59

The planets revolve around the Sun by the effect of gravitational pulling force

Accepted Answer

Right

Answer

Wrong

Question 60

Gravity is an attraction force that can be seen easily

Accepted Answer

Wrong

Answer

Right

Question 61

The Sun has no gravity

Accepted Answer

Wrong

Answer

Right

Question 62

The orbit of each planet has an ellipse shape

Accepted Answer

Right

Answer

Wrong

Question 63

The Earth's gravity keeps all planets in their orbits

Accepted Answer

Wrong

Answer

Right

Question 64

The scientist Nicolaus Copernicus stated that Earth revolves around the sun

Accepted Answer

Right

Answer

Wrong

Patterns in the sky

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