Gravity Basics
This scientist is famous for his work on gravity
Sir Issac Newton
This force keeps the moon orbiting Earth.
Gravity
What makes an apple fall from a tree?
Gravity
Gravity is a _______ that pulls objects towards each other.
Force
Astronauts experience ____________ in space because there's less gravity.
Weightlessness
The Earth's gravity pulls everything towards its _______.
Center
The more ______ an object has, the stronger its gravitational pull.
Mass
The sun's gravity holds the ____________ system together.
Solar
We measure the pull of gravity on an object as its ______.
Weight
Gravity keeps the planets in ______ around the sun.
Orbit
This is the path an object takes around a planet or star.
Orbit
Explain why a feather falls slower than a rock on Earth.
Air resistance
True or False: Heavier objects always fall faster than lighter objects on Earth.
False
What are black holes?
Objects with such strong gravity that nothing, not even light, can escape.
If Earth had less gravity, what would happen to our weight?
We would weigh less.