Show:
Astronomy
Planets 1
Planets 2
The Moon
Astronomy 2
100
objects that travel around a star in a path
What are planets
100
the hottest planet
What is Venus
100
planet with two moons
What is Mars
100
when no moon is visible in the sky
What is a new moon
100
two gases that make up most of the sun
What are hydrogen and helium
200
a planet's spin around itself; a planet's day
What is a rotation
200
the largest planet
What is Jupiter
200
planet with the longest revolution
What is Neptune
200
when more of the lighted side of the moon becomes visible in the sky
What is a waxing moon
200
the study of planets, stars, and other objects in space
What is astronomy
300
a planet's orbit around the sun; a planet's year
What is a revolution
300
planet that is one astronomical unit (AU) from the sun
What is Earth
300
planet with the largest volcano system in our solar system
What is Mars
300
when the entire lighted side of the moon is visible in the sky
What is a full moon
300
"shooting stars;" formed when a meteoroid hits Earth's atmosphere
What are meteors
400
rocky objects that orbit the sun; space rocks
What are asteroids
400
planets that have shorter revolutions that Earth
What are Mercury and Venus
400
planet with the shortest revolution
What is Mercury
400
when less of the lighted side of the moon is visible in the sky
What is a waning moon
400
planet with the shortest day
What is Jupiter
500
frozen mass of ice rock, and dust; "dirty snowballs"
What are comets
500
the asteroid belt is located between these two planets
What are Mars and Jupiter
500
planet with the most visible rings
What is Saturn
500
time it takes the moon to revolve around the Earth
What is about a month
500
list the planets in order of their distance from the sun
What are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune