Orbital Motions
Moons + Gravity
Gravity
Our Solar System
Mix
100
This term describes the action of a planet spinning on its axis, causing day and night.
rotation
100
The gravitational force on the moon is much ______ than it is here on Earth. greater or less?
less
100
The strength of the gravitational force between two objects depends on what TWO factors?
mass and distance
100
Our solar system resides in what galaxy?
The Milky Way Galaxy
100
This measures the amount of matter in an object and remains constant regardless of location.
mass
200
This term refers to the movement of a planet around the Sun in an elliptical orbit, taking about a year for Earth to complete one cycle.
revolution
200
What is responsible for moons and satellites orbiting Earth?
gravity
200
As mass increases, gravitational force ___________.
As mass decreases, gravitational force ___________.
increases
decreases
200
Create a simple graph showing the relationship between mass & distance for gravity. (make sure to label your X & Y axis)
200
This measurement varies depending on the force of gravity acting on an object and changes with location, such as on different planets or the Moon.
weight
300
About how long does it take Earth to make one full rotation?
24 hours (23 hours, 56 minutes and 4.09053 seconds to be exact)
300
The gravitational pull from the moon is largely responsible for what on Earth?
high and low tides
300
As distance increases, gravitational force _____.
As distance decreases, gravitational force _____.
decreases
increases
300
This planet has experiences the strongest gravitational pull by the Sun
Mercury
300
Where in this image would you experience the strongest gravitational pull?
Near the center
400
How long does it take for Earth to revolve around the Sun once?
365 days (365 days, 6 hours, 9 minutes to be exact)
400
True or False: Any object with mass has gravity
True
400
Earth’s gravity constantly pulls matter where?
toward the center of the Earth
400
Explain Newton's Law of Gravitation in your own words
*Answers May Vary
- Every object attracts every other object in the universe with a force that is proportional to the objects' mass & distance from one another.
400
True or False: A gravity well gives a 100% accurate example of how gravity works in space. Provide an explanation.
False. It is a model on paper that is trying to explain how multi-dimensional concepts work.
500
The term for an orbital path that is NOT a perfect circle
Elliptical
500
This is a word for anything that orbits a planet, so by definition, a moon is a natural one of these.
satellite
500
Who wrote the universal law of gravity?
Sir Isaac Newton
500
What planet is the most similar to Earth?
Venus
500
If Earth's mass was cut in half, what would happen to your mass? Explain why.
Nothing. Gravitational force does nothing to affect your mass.