VOCABULARY
WHO AM I?
GALAXIES
SEASONS
ASTRONOMY
100
to spin on an axis
What is rotate
100
My structure has mainly rocky layers, partly liquid core
What is Earth?
100
the name of our galxy
What is the Milky Way?
100
The amount of time it takes the Earth to rotate.
What is one day or 24 hours?
100
Everything that exists including galaxies
What is the universe?
200
imaginary line around which Earth rotates
What is axis?
200
My structure has gaseous layers.
What is the sun?
200
Shaped like a pinwheel, central bulge of older stars
What is spiral galaxy?
200
The amount of time it takes the Earth to revolve around the sun.
What is 1 year or 365 days?
200
chunk of rock that orbit the Earth
What is an asteroid?
300
to go around another object
What is revolve?
300
I have no atmosphere.
What is the moon?
300
Galaxy shaped like a flattened globe or sphere.
What is an elliptical galaxy?
300
When the Earth is tilted towards the sun, it is this season.
What is summer?
300
The first person to walk on the moon.
Who is Neil Armstrong?
400
chunk of frozen gases, rock, dust that revolves around the sun
What is a comet?
400
My atmosphere is made of hydrogen and helium.
What is the sun?
400
This galaxy has no particular shape.
What is an irregular galaxy?
400
When the Earth is tilted away from the sun, it is this season.
What is winter?
400
The date that Neil Armstrong walked on the moon.
What is July 20, 1969.
500
group of billions of stars, objects that orbit the stars, held together by gravity
What is a galaxy?
500
My atmosphere is made of nitrogen and oxygen.
What is the Earth?
500
May have 2 or more spiral arms; young stars at center
What is barred spiral galaxy?
500
These are the two things that cause seasons.
What are tilt and revolution?
500
The four ways stars are classified.
What are color, temperature, brightness, and size?
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