Gravity The Scale of things Orbits Space Objects Random vocabulary
100
What is Gravity?
A force that pulls inwards.
100
What is distance
The space between objects
100
What is an orbit
A circular path around another object
100
What is a planet
A chunk of rock heavy enough to allow something to orbit
100
What is acceleration
An object that is moving faster
200
What is Mass?
Heavy objects have more gravity because of this.
200
What is the Sun
Our solar system has enough gravity to keep 8 planets in orbit because of this
200
What is a planet
The moon is an example of something that orbits this
200
What are asteroids
Small rocks or ice that exist between planets
200
What is a force
A push or a pull
300
What is Centrifugal Force?
This force acts against gravity when an object orbits
300
What is a black hole
Galaxies have enough gravity to pull in millions of stars , solar systems, planets, and dust because of this.
300
What is the law of Inertia
The planets orbit the sun, and the sun orbits the black hole, and the moon orbits the Earth, and it won't stop because of this.
300
What is a star
A ball of extremely hot gas burning in space
300
What is Gravitational Acceleration
An object that moves faster because of gravity
400
What is the force of gravity?
Our universe has come together over Billions of years forming the planets, stars and black holes after a "big bang"
400
What is a swirl, spiral, or orbit
We can see this pattern in many sizes in both space and on Earth. It is because of gravity at different scale is causing it.
400
What is Centrifugal Force
This creates equal force to gravity during an orbit and is related to the speed of the orbit.
400
What is a moon
An medium sized rock that is orbiting a planet
400
What is Gravity
If a planet stopped, or slowed its orbit it would go towards the center because of this
500
What is Lighter?
heavier objects have large gravity, and lighter ones have less gravity, these objects will be more likely to orbit.
500
What is lower gravity.
The farther away objects are from the gravity center, the slower they can orbit because of this.
500
What is orbital velocity
As an object in orbit slows or speeds up, the size of the orbit can change because of
500
What is a black hole
Remnants of an exploded star, that created a singularity
500
What is Gravity
The force that effects all objects in the universe to crash into each other.






Space Systems: Orbits and Gravity

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