5th Grade Solar System

Mercury, Venus, Earth and Mars are examples of what kind of planet?

What object is in the middle of the geocentric model of the solar system?

Which planet is a gas giant that rotates on its side?

Which planet is closest to the Sun?

What are comets made of?

What do you call an object that burns as it falls through the atmosphere, a "shooting star?"

What is the process where small objects come together to make big objects?

Which Polish scientist determined that the orbits of the planets were ellipses, not circles?

Jupiter, Saturn, Uranus and Neptune are examples of what kind of planet?

Which Polish scientist determined that the Sun has to be at the center of the solar system?

Which planet has a set of rings, up to 62 moons, and is the second largest?

Pluto, Ceres, Eris, Makemake and Haumea are examples of what kind of object?

What is the region around a star where conditions can support liquid water called?

Which two planets kept the material in the asteroid belt from becoming another planet?

What is the cloud of icy objects outside the solar system where long-period comets come from?

Which planet is the farthest away from the Sun and has a moon that could have life?

What is the only planet in the solar system inside the Sun's habitable zone?

What feature is formed on a planet's surface after a meteorite hits it?

What do you call a chunk of rock or metal that has hit the Earth's surface?

Which planet is the largest in the solar system and has up to 67 moons?

What do you call a small chunk of rock or metal in space?

What object is in the middle of the heliocentric model of the solar system?

Which planet is the hottest because of a nonstop greenhouse effect?

Which planet has two moons, the solar system's largest volcano and is called the "Red Planet?"

Which planet is the only one in the solar system to have liquid water?

What is the name of the region past Neptune where short-period comets come from?

What are asteroids made of?