Exploring Space
Earth, Moon, and Sun
Our Solar System
Stars, Galaxies, and the Universe
Mystery
100
What is a group of stars that form a pattern in the sky?
A constellation
100
What is rotation?
Spinning
100
What is an Astronomical Unit (AU)?
The average distance from the Earth to the Sun.
100
What type of galaxy is the Milky Way?
A spiral galaxy
100
When does the northern and southern hemisphere have similar seasons and equl amounts of sunlight?
At an equinox
200
What force attracts objects to each other, causing orbits?
Gravity
200
What is revolution?
When an object travels around another object.
200
The order of the planets from the Sun are:
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, (Pluto)
200
According to the Big Bang theory, what happened in the Big Bang?
The universe started expanding.
200
When does one hemisphere have maximum sunlight, and the other hemisphere have minimum sunlight?
At a solstice
300
What model describes our solar system?
The heliocentric model- where the Sun is the center of the solar system.
300
List the phases of the moon in correct order.
New moon, first quarter, full moon, third quarter
300
List the terrestrial planets AND describe them.
Mercury, Venus, Earth, Mars. -closest to the Sun -have rocky crusts and dense mantles and cores
300
What is the bright center of a distant galaxy called?
A quasar
300
What is the darkest part of the shadow in an eclipse called?
The umbra
400
Who were the scientists that developed and supported the geocentric model of the solar system?
Aristotle developed it, and Ptolemy supported it.
400
What causes seasons?
The tilt of the earth, which causes different angles of sunlight.
400
Where are most asteroids found?
Between the orbits of Mars and Jupiter.
400
In what direction does the tail of a comet face?
Away from the Sun.
400
Put the terms "meteor, meteorite, and meteroid" in the correct order from space to the ground.
meteoroid, meteor, meteorite
500
Which scientists discovered and supported the heliocentric model of the solar system?
Copernicus and Galileo.
500
What alignment needs to occur in order for a solar eclipse?
Sun, Moon, Earth
500
What is the largest planet according to diameter?
Jupiter
500
What is the only star in our solar system?
The Sun
500
Where would the Northern Hemisphere be tilted when it is summer in the Northern Hemisphere?
Toward the Sun.
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