Planets
Satellites
Days and Years
Vocabulary
Grab Bag
100
Planet closest to the sun..
What is Mercury
100
An object that travels around another object..
What is a satellite
100
The time it takes for a planet to complete one rotation..
What is a day
100
A bowl-shaped hole formed when a space object hits a planet..
What is a crater
100
The length of a day on Earth..
What is 24 hours
200
Planet farthest from the Sun..
What is Pluto
200
Path a satellite takes around another object..
What is an orbit
200
The time is takes a planet to complete one revolution around the Sun..
What is year
200
The force that keeps each planet in its path around the Sun..
What is gravity
200
The space that holds planets, moons, and stars..
What is galaxy
300
Jupiter, Saturn, Uranus, and Neptune are considered these..
What are gas giants
300
Huge ball of glowing gas that gives off light and heat..
What is star
300
An imaginary line around which a planet rotates..
What is an axis
300
All the gases around a planet..
What is atmosphere
300
This is the largest space in the solar system..
What is universe
400
The names of the inner planets..
What are Mercury, Venus, Earth, and Mars
400
A frozen chunk of dust, ice, and gases that revolve around the Sun..
What is comet
400
Earth has days and nights because of this..
What is rotating upon it's axis
400
The scientific name for "shooting star"..
What is meteor
400
A year on other planets are longer than Earth's because of this..
What is a bigger orbit
500
The order of the planets..
What are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto
500
The name of the largest star in our solar system..
What is Sun
500
The reason Earth has four seasons..
What is a tilted axis
500
A star and all the objects that travel around it..
What is a solar system
500
Scale models help us understand this..
What is relative size and distance
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