Gravity
Define "gravity"
Force of attraction between all objects
Explain the difference between the heliocentric and the geocentric models.
Heliocentric Sun is in the middle of our solar system.
Geocentric Earth is in the middle of our solar system.
Name two Terrestrial planets
- Mars
- Earth
- Venus
- Mercury
Define: Terrestrial
- Planets made of rock
True or false: A planet can have multiple moons.
True
True of false: According to the laws of interia if a marble was rolling downhill with nothing stopping or slowing it down it would not roll forever.
False
What are many of our solar systems planets named after?
Greek/Roman Gods
Name two Jovian planets.
- Jupiter
- Saturn
- Uranus
- Neptune
Define: Jovian
- Planets made of gases
True or false: Terrestrial planets have less mass than jovian planets typically.
False
What force pulls you to the ground when you jump?
Gravity
Why did most people believe in the geocentric model pre-1400s?
God created humans to be the center of the universe
Comet which visibly pass by Earth every 80 years.
Haley's comet
Define: Celestial bodies
Planets, asteroids, stars, etc. in outer space
Which two planets in our solar system can COULD have life.
- Earth
- Mars
What is the main difference between mass and weight?
Mass = Measure of total density
Weight = Measure of total weight
Man who created the THEORY of the heliocentric model.
Nicholas Copernicus
Difference between meteors and asteroids.
Meteors: Small solid bodies that revolve around the sun and fall into earth's orbit
Asteroids: Small rocky bodies
Define: Fabric of space
Our physical world
Man who PROVED the heliocentric model.
Galileo
What keeps the Earth in a constant orbit in our solar system.
The gravitational pull of the Sun.
List one proof why the Sun is the center of the solar system.
- Earth’s orbit around the Sun causes the seasons
- Mapping of the constellations
Define comets.
Swings around the Sun in orbit and are visible in outer space every so often.
Define: Copernicus
- Creates theory of the Heliocentric model
How did the Catholic Church react to Galileo's claim regarding the solar system?
Church needs to investigate before Galileo publishes claims. However, Galileo doesn't wait. He is put under house arrest and excomunicated.