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Earth's Motion
The Moon
Stars and Galaxies
Solar System
Astronomy
100
Earth moves in space in these two ways and describe what is the result of each movement.
Rotation cause days and Revolution cause a year
100
The force that attracts all objects toward each other
Gravity
100
Milky Way is this type of galaxy
spiral galaxy
100
debris left by colliding asteroids or dispersing comets
meteoroids
100
The idea that the galaxy is still expanding due to an explosion.
Big Bang Theory
200
December 21st in the Northern hemisphere
winter Solstice
200
The earth's natural satellite is called the __________.
Moon
200
What is the first stage of a star formation?
(stellar) Nebula - cloud of dust and gas
200
millions of small, rocky objects that orbit the Sun, range in size from < 1 meter to several hundred km
asteroid
200
An object that orbit around another object.
A satellite
300
When there is an equal amount of light during the day and night
equinox
300
Name all 8 moon phases in order. Double Jeopardy: Draw all moon phases with the correct name.
Paul will Check
300
Name the three types of galaxies Double Jeopardy: Define the three types of galaxies.
Spiral- A galaxy with multiple "arms" Elliptical - spherical or looks like a flattened disc Irregular - no specific shape
300
How long ago does scientist believe that our solar system formed?
4.6 billion years ago
300
What are three features on the moon's surface
maria, craters and highlands
400
The imaginary line that passes through Earth's center from the North pole to the South pole
axis
400
The moon passes directly between Earth and the sun, blocking sunlight from Earth
Solar Eclipse
400
Light travels at 300,000 km/s this is called?
light year
400
What is the difference between the Heliocentric and Geocentric model?
Geocentric - moon, stars, and sun revolve around earth heliocentric - planets revolve around sun, moon revolve around earth
400
Made of gas, dust and ice and moves around the Sun in an oval-shaped orbit
Comet
500
Earth is tilted on its axis as it revolves around the sun, these cause
seasons
500
The Sun, Moon, and Earth relationship causes three things. Name all three.
Tides, Eclipses, and Moon Phases
500
Draw and label the part of the star diagram.
Paul will check
500
Planets are classified into two groups. Name the two groups and identify at least three defining characteristics for each group.
Inner and Outer planets. Paul will check
500
Name the planets in order and give at least one feature/characteristic of each planet.
Paul will check