Put these in the correct order from largest to smallest-
solar system, universe, planet, galaxy
Universe, Galaxy, Solar System, Planet
What is the Geocentric model?
-Earth centered
-Earth is the center of the solar system
-First model of the solar system
Which small planet is very cold at night, hot during the day and has a very thin atmosphere?
Mercury
Which planet appears to roll on its side as it revolves around the sun?
Uranus
The planets would be pulled into the sun if we didn't have_____
inertia
What is made of rock and metal and is usually found between Mars and Jupiter?
asteroid
What is the Heliocentric model?
-Sun centered
-Sun is the center of the solar system
-Replaced the Geocentric model
The planet ______ is about the same size as Earth.
Venus
Use the following to help name the planet
Largest planet in our solar system, has a Great Red Spot, gas giant, 5th from the sun
Jupiter
The planets would all take a straight path in our solar system without _________.
Gravity
What is made of rock and metal, can be seen in the earth's atmosphere without a telescope and usually doesn't have an orbit?
meteor
What evidence exists to support the Big Bang Theory that describes the galaxies are spreading apart from each other?
The universe is constantly expanding.
Describe the inner planets.
The inner planets are small, solid, rocky. They revolve faster around the sun and we know more about them.
Describe the outer planets.
The outer planets are large, made of gas, we know less about them, and they take longer to revolve around the sun.
Use the following to help name the planet-
Full of volcanoes, hottest planet, no liquid, 2nd planet, Earth’s twin
Venus
________ is composed of frozen gases, dust, and ice lumps and sheds its-self as it moves closer to the Sun.
Comet
What type of galaxy is the Milky Way?
spiral galaxy
Which is more dense: inner or outer planets
inner planets
What separates the inner and outer planets?
asteroid belt
What two factors affect the earth revolving around the sun?
gravity and inertia
What can come from debris of comets and asteroids?
meteor
What decreases as you travel from the sun to the outer planets?
temperature
List the inner planets.
Mercury, Venus, Earth, Mars
List the outer planets.
Jupiter, Saturn, Uranus, Neptune
What are 3 factors that make life on earth possible?
water, oxygen, good temperatures