WorksheetsG3 gravity HW
Total questions: 16
Worksheet time: 19mins
Gravity ____________ as mass decreases.
increases
decreases
does not change
The force of gravity on earth is ____________ the moon's.
less than
greater than
equal to
What would happen if there was no gravity?
Everything would float.
Everything would be the same.
Everything would sink.
Why does a ball fall to the ground?
Earth's force of gravity is GREATER than the ball's, so the ball gets attracted to the ground.
Earth's force of gravity is LESS than the ball's, so the ball gets attracted to the ground.
Earth's force of gravity is EQUAL to the ball's, so the ball gets attracted to the ground.
The Sun has the greatest pull of gravity. This is why Earth does not float away in space.
TRUE
FALSE
If you kick a soccer ball, it goes up to a certain distance and stops. This happens due to ____________.
gravity
weight
friction
Gravity is a force that ____________.
pushes objects away from Earth
pulls objects towards Earth
Which surface has the least friction?
A carpeted floor
A rough, bumpy sidewalk
A smooth, icy road
A gravel driveway
What is friction?
A type of gravity
A kind of electricity
A force that slows down or stops objects
A force that helps objects move faster
What happens when you slide a book across a table?
Gravity will push it forward
Friction will slow it down and stop it
It will keep moving forever
It will speed up
If you rub your hands together quickly, they feel warm. Why?
Friction creates heat when things rub together
Gravity pulls heat into your hands
The air around your hands is hot
The movement creates cold air
What would happen if there were no friction?
Objects would keep moving without stopping
People would slide instead of walking
Cars could not stop
All of the above
how we measure force
inches
newtons
feet
pounds
one of the first people to write about gravity was
George Washington
Sir Isaac Newton
Abraham Lincoln
Max Magnus
Two surfaces that are both slippery will have _________friction.
more
less
Two bumpy surfaces will have __________ friction.
more
less
