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Worksheets5.PS2.3 Review Earth's Gravitational Force
Total questions: 15
Worksheet time: 8mins
Center of gravity is the exact _______ of an object's mass.
left
middle
center
total
The Earth is pulling us, but we are also pulling the Earth.
true
false
_________ is the pull from Earth that keeps objects from floating into space.
Gravity
Mass
Inertia
Imagine an object falling to the Earth. Which of the following most accurately describes the motion of that object?
Its motion is random as it falls.
It falls toward the nearest solid ground.
It falls southward.
It falls toward the center of the Earth.
In an experiment, six people at different places around the Earth drop an apple at the same time. Which apples will fall to the Earth?
Only apple U will fall to the Earth.
All of the apples will fall to the Earth.
Only apples U and Z will fall to the Earth.
Only apples U,V,Y & Z will fall to the Earth.
No matter where you are on Earth, the center of the Earth is always _______.
straight up
straight down
to the South
straight ahead
What would happen if the boys drop a rock from their locations?
The rock dropped from location A will fall to the ground, but the rock dropped from location B will fall into outer space.
Both the rocks dropped from location A and location B will fall to the ground.
Both the rocks dropped from location A and location B will float in the air.
A student describes the directions of gravity as "down". Which is the better explanation?
"Down" describes the direction that the Earth is pulled toward the Sun.
"Down" describes the direction toward the South Pole.
"Down" describes the direction the Earth is rotating.
"Down" describes the direction toward the center of the Earth.
Which of the following is true of Earth's gravity?
It pulls objects toward the Earth's surface without touching them.
It only has an effect on the Moon and the Sun.
It only has an effect on objects farther than ten meters from the Earth's surface.
What keeps objects on Earth from floating into space?
inertia
gravity
mass
volume
Which statement is the best definition for gravity?
Gravity is a force that pulls objects toward the South Pole of the Earth.
Gravity is responsible for keeping objects in orbit around one another; gravity is strongest on the Moon and weakest on the Earth.
Gravity is the natural force that causes objects to move toward the center of the Earth.
Which of the following statements gives the best evidence that gravity pulls objects toward the center of the Earth?
Several iron nails are pulled toward a strong magnet.
Asteroids approaching the Earth from any direction get pulled toward the Earth.
Winds blow from the South Pole toward the Equator.
The pulling force between two objects is stronger when the objects are ____________.
far apart
close together
Why do skateboarders always fall back to Earth?
gravity
mass
inertia
velocity
Any two objects attract each other with the ________ gravitational force.
equal or/ same
different
