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WorksheetsGravity and the Universe
Total questions: 22
Worksheet time: 12mins
Mass and weight are the same property with different name.
True
False
Will a feather and a watermelon fall at the same speed in a vacuum?
No, the feather will fall before
No, the watermelon will fall after
Yes
No, the watermelon will fall before
No, the feather will fall after
Which are the major factors that determine the strength of an object's gravitational pull: (choose two of them)
Its mass
The distance between objects
The Moon and the stars
Its shape
Without gravity if we throw an egg it...
will crash on the floor
won't crash on the floor
won't float into the air
will break in the air
What keeps the Earth in orbit around the Sun?
Star's gravity
Moon's gravity
Sun's gravity
The smaller the mass of the object...
the more gravity it will have.
the less gravity it will have.
Which one has the strongest gravitational pull in the Universe?
Stars
The sun
Black holes
Planets
The Moon is in orbit around Earth because of
the oxygen in the air
the sun
the ozone layer
gravity
Who formulated Universal Gravitation theory?
Leonardo da Vinci
Platón
Isaac Newton
Descartes
The SI unit for weight is...
Newton (N)
Kilogram (kg)
Gram (g)
All of them
Choose the expression for Newton’s 2nd law
F = m·a
F = k·x
P1·V1 = P2·V2
F = G⋅d2M⋅m
The mass of an object changes depending on the planet
True
False
The weight of an object changes depending on the planet
True
False
A light year is...
A unit of time
A unit of length
A unit of light
A unit of force
The expression for weight is...
W = k·x
W = m·g
W = m·v
W = m2
A light year is...
The distance that light covers in a year.
The time it takes to go to the end of the Solar System.
A year not very heavy, like 2020.
The distance from the Earth to the Sun.
The value of gravity of Earth (g) is...
6.7 m/s2
9.8 m/s2
9.8 N
9.8 kg
Mass is a force
True
False
Weight is a force
True
False
Choose a characteristic of gravity
It is always attractive
Can be attractive and repulsive
The unit is kg
Depends on the velocity
An astronomical unit (AU) is the distance...
from the Earth to the Moon
from the Earth to the Sun
from Jupiter to Saturn
from Mars to the Sun
To measure distances in the Solar System we use...
Light years
Astronomical Units (AU)
Kilometers
Miles
