Comet, Meteor, Meteorite
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
What separates the inner and outer planets?
The asteroid belt.
What would need to change in Mars's atmosphere to support human life?
The levels of oxygen need to increase and the levels of carbon dioxide need to decrease.
What unit are we studying?
*Daily Double*
Astronomy
The youngest stars are found
Near the center of the Milky Way
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 causes a meteor shower?
When Earth passes through the orbit of a comet.
What evidence exists to support the Big Bang Theory?
*Daily Double*
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 is one way that the force of gravity can be increased or decreased?
A decrease in distance leads to an increase in the force of gravity.
What makes Earth different from the other inner planets?
The surface is mostly water.
How is Saturn the second largest planet- but it has the lowest density?
It is composed mostly of hydrogen and helium.
What planet would the sun appear the smallest?
Neptune
Put these in order from smallest to largest: comet, meteorite, and meteor.
Meteorite, meteor, comet
A scientist named Edwin Hubble calculated that many of the galaxies he could observe seemed to be moving away from the Milky Way. What did he conclude from this?
The universe is expanding.
List the inner planets.
Mercury, Venus, Earth, Mars
List the outer planets.
Jupiter, Saturn, Uranus, Neptune
List the planets from the SHORTEST year to the LONGEST year or the closest to the Sun to farthest.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune