Gravity is the force ..... every object to the center of the Earth
pulling
In a vacuum chamber every object falls...
at the same speed
Moon gravity is .... times less than Earth's gravity
six
On the Moon there is no...
air resistance
We apply ... on our notebook when we erase.
friction
The ... is what helps a parachute to slow down a falling object
air resistance
We call ... to the amount of gravity acting on an object
weight
Air resistance is....
B. a force that slows down the falling object
A spring balance can measure weight in ...
newtons (N)
A two-dish balance is a device used to measure the ... of objects in kilograms (kg)
mass
Earth gravity is .... times more than Moon's gravity
six
On Earth we use the ... unit to measure light objects
grammes
If an astronaut drops these two objects on the Moon at the same time they will hit the floor...
...at the same time.
What will happen to objects thrown up in the air?
They will fall back down to earth.
Sir Isaac Newton was an English scientist who ... gravity.
discovered
An object with more ... will be pulled down by gravity more.
mass
