Galileo incorrectly thought this major feature of the moon's surface were at one time oceans.
What is maria
100
What causes day and night on Earth?
What is Earth's rotation
100
The inner planets are mostly composed of ________ and the outer planets are mostly composed of ________.
What is metal/rock and gases.
100
This particular diagram was developed by two astronomers that classifies stars according to temperature, color, luminosity, and type of star.
What is the Hertzsprung-Russel Diagram
100
This astronomer is respondsible for the discovery that galaxies are moving away from Earth; the farther they are the faster they are moving away. (entire name)
Who is Edwin Powell Hubble
200
The moon's size is comparable to Earth by this fraction.
What is one-fourth of Earth's size
200
The Earth __________ on it's axis and __________ around the Sun.
What is rotates and revolves
200
Due to this feature of the Jovian planets, the gases of their atmospheres do not escape into space.
What is strong gravitational pull
200
The brightness of a star depends on it's ________ and ____________.
What is size/mass and temperature
200
Meteor showers are a result of what?
What is Earth orbiting through a comet's tail.
300
Due to this feature of the moon, the temperature of the moon's surface varies greatly from day to night.
What is no atmosphere.
300
When it is Cold in the Northern Hemisphere then it is _______ in the Southern Hemisphere. This is a result of Earth's ________.
What is Warm and Tilt.
300
Uranus is different from other planets due to this one particular feature.
What is rotates on its side
300
List the five catagories that stars are classified.
What is Color, Temperature, Size, Composition, and Brightness.
300
The orbit of comets around the sun are this shape.
What is Elliptical
400
Scientists believe that a _______ sized planet collided with Earth, which resulted in the formation of the moon.
What is Mars
400
When the moon blocks the rays of the sun from reaching Earth, casting a shadow on Earth we are experiencing what type of eclipse.
What is Solar
400
List the order of the planets starting closest to the sun.
What is Mercury, Venus, Earth, Mars, Juptier, Saturn, Uranus, and Neptune
400
A nebula contracts to form a protostar and then the protostar begins this process in order for a low-mass or high-mass star to be born.
What is nuclear fusion
400
Meteoroids are chunks of dust from an asteroid or a comet in space. Once a meteoroid enters Earth's atmosphere it becomes a __________ and then becomes a __________ when it hits Earth's surface.
What is meteor and meteorite
500
List in order the phases of the moon beginning with the new moon.
What is new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, and then waning crescent.
500
Why does the air temperature rise in the summer?
(*hint: the temperature of the sun does not change and the distance between the Earth and the sun is not the only factor of temperature change)
What is the longer days mean more direct sun light.
500
The outer halo of the sun called the _________ is visible to the human eye during what event?
What is the Corona and a total solar eclipse
500
The color of a star correlates with its temperature. What are these colors and their correlating temperatures. Example: purple=hottest
What is Red-coolest, Yellow-mild, Blue-hottest
500
The Milky Way is this type of galaxy.
What are the other types of galaxies.