Space Bodies
Theories
Galaxies
Gravity & Inertia
100
A space body that can leave a crater when it hits the Earth's surface.
Meteorite
100
Which theory of the model of the solar system came first?
the geocentric model theory
100
This is a(n)...
Elliptical Galaxy
100
The tendency of an object to rest or in motion unless an outside force acts upon it.
Intertia
200
AKA "shooting star"
meteor
200
The theory that an explosion resulted in the formation and expansion of the universe.
The Big Bang Theory
200
What type of galaxy is often older?
Elliptical galaxies
200
True or false:
Gravity is stronger on Earth than on the moon.
True. Earth has greater mass and, therefore more gravity.
300
Comets are made of...
Ice, dust, and small rocks
300
What is the geocentric model theory?
The theory that the Earth is the center of the universe and everything orbits it.
300
The Milky Way Galaxy is a
Spiral Galaxy
300
Which pairing has the strongest force of gravity and why?
A. They have the most mass and are the closest together.
400
When does a comet develop a tail?
As it approaches the sun.
400
What model is shown?
The Heliocentric model
400
Name all three types of galaxies.
Spiral, elliptical, and irregular
400
What planet has the strongest gravity in our solar system?
Jupiter
500
Asteroids are found in the _________ between ______ and ________
asteroid belt; Mars and Jupiter
500
Who created the heliocentric model?
Copernicus
500
In the Milky Way, we are at...
A
500
The Earth does not crash into the Sun and burn up because...
Gravity and inertia are balanced.