The Galaxy
Inner Planets
Asteroids and comets
Outer Planets
Earth
100
the shape of our galaxy
What is spiral?
100
the four inner planets
What are Mercury, Venus, Mars, and Earth
100
mostly found between Mars and Jupiter
What are asteroids?
100
the surface on the outer planets
What is gaseous?
100
the name of the planet that is most like Earth
What is Mars?
200
this huge ball of gas gives off energy, and gives us light
What is the sun?
200
this word describes the surface on the inner planets
What is rocky?
200
a frozen mass of ice and dust
What is a comet?
200
the four outer planets
What are Jupiter, Saturn, Uranus, Neptune?
200
two major characteristics of Earth
What are liquid water and atmosphere?
300
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
What are the names of the eight planets in our Solar System?
300
soil that covers most of this planet contains iron oxide,a reddish-brown material that makes up rust
What is Mars?
300
Pluto's orbit is odd because of this
What is tilted?
300
the shape of the planets' orbit
What is elliptical?
300
water covers ____ percent of the Earth
What is 70%
400
two tools that scientists use to study the planets
What are telescopes and space probes?
400
this inner planet is the largest rocky planet
What is Earth?
400
a meteor shower is when loose pieces of comets collide with Earth's atmosphere. The meteor gets so hot when it shoots through the air that it glows as a streak of light. What is this called?
What is a shooting star?
400
This outer planet takes the longest to revolve around the sun
What is Neptune?
400
In Earth’s atmosphere, God included this to sustain life.
What is oxygen?
500
this keeps objects in the solar system in place
What is gravity?
500
these inner planets have moons
What are Mars and Earth?
500
a piece of meteor that lands on Earth
What is a meteorite?
500
another name for outer planets
What is gas giants?
500
three characteristics of the Earth's moon
What is it has craters, no atmosphere, natural satellite, flat plains, mountain ranges.
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