Vocaulary I
Vocabulary II
Vocabulary III
Scientists
Odds & Ends
100
a chunk of rock and metal that orbits the sun
What is an asteroid?
100
different shapes the moon seems to have when viewed from Earth
What are phases?
100
imaginary line through Earth's center
What is an axis?
100
placed the sun at the center of the universe
Who is Copernicus?
100
93 million miles
What is the average distance Earth is from the sun. (Or what is an AU)
200
meteroid
What is a chunk of rock that orbits the sun and is smaller than an asteroid?
200
period of year with a certain level of temperature and type of weather
What are seasons?
200
system of planets revolving around a star
What is a planetary system?
200
placed the Earth at the center of the universe
Who is Ptolemy?
200
186,000 mps
What is the speed of light?
300
comet
What is a ball of ice, rock and frozen gases that orbits the sun
300
phase in which half the moon's lit side is visible after the waxing crescent moon
What is the first quarter?
300
angle of a planet's axis from vertical
What is axial tilt?
300
discovered that the planets had elliptical orbits
Who is Kepler?
300
Venus and Mercury have no seasons.
What is because they have no axial tilt?
400
orbit
What is the path an object follows as it revolves around another object?
400
oval path
What is an elipse?
400
movement of one object in an orbit around another object
What is revolution?
400
enabled Galileo to observe the planets and prove that Copernicus was correct
What is a telescope?
400
Earth's axial tilt
What is the cause of seasons on Earth?
500
rotation
What is the turning of an object on its axis
500
measurement equal to the distance between Earth and the sun
What is an astronomical unit?
500
phase in which half the moon's lit side is visible after the waning gibbous moon
What is third quarter?
500
a scientist who studies stars, planets and other objects in space
What is an astronomer?
500
the closest star to the Earth
What is the sun?
M
e
n
u