Word Wall
A natural satellite that orbits a planet.
Moon
As objects get closer together, gravity... (increases or decreases)
increases
What are Jovian planets made of?
gas and ice
What are terrestrial planets made of?
Rock
Attractive force between all matter.
gravity
Lager objects have ________ gravity.
more
Jovian planets are the most (massive or dense).
massive
Terrestrial planets are the most (massive or dense)...
dense
The coming together and clumping or sticking together of matter due to gravity to form larger and larger objects.
accretion
Smaller objects have _______ gravity.
less
Which planet has the least density?
Saturn
A large collection of stars held together by gravity.
galaxy
What two things cause a smaller object to orbit a larger object, and not fly away from it or collide with it
The right combination of speed and gravity
Name 2 Jovian planets.
Saturn, Jupiter, Uranus, Neptune
Name 2 terrestrial planets.
Mercury, Venus, Earth, Mars.
All of space; all of the matter and all of the energy in it.
Universe
What is the definition of gravity?
Attractive force between all matter.
Name all 4 Jovian planets.
Saturn, Jupiter, Uranus, Neptune
Name all 4 terrestrial planets.
Mercury, Venus, Earth, Mars.