Our Solar System
The Sun
Inner Planets
Outer Planets
Comets, Asteroids, and Meteoroids
100

True or False:  An Earth-centered model of the universe is called a geocentric model. 

What is True

100

True or False:  The corona is the thin, middle layer of the sun

What is False:  The Chromosphere 

100

True or False:  Each gas planet is small, dense and rocky. 

What us False:  Terrestrial/Inner planets
100

True or False:  The farthest planet from the sun is Uranus. 

What is False:   Neptune 
100

Ture or False:  An asteroid is a small body of rock, which obits the sun. 

What is true
200

What is the Heliocentric system

What is the Sun at the center of the solar system. 

200

What are eruptions of hot gas from the sun's surface? 

What are flares

200

What is the correct order of the inner planets in terms of size, starting with the smallest? 

What is Mercury, Mars, Venus and Earth

200

Which planet in our solar system is the largest, but has a fast rotation of only 10 hours? 

What is Jupiter

200

What is a space object that reaches Earth's surface called? 

What is a Meteorite

300

What tool did Galileo used to support his heliocentric model of the solar system. 

What is a telescope. 

300

The sun's energy comes from what? 

What is nuclear fusion

300

What inner planet is often referred to as "Earth's sister planet"?

What is Venus
300
Which two planets in our solar system have only methane in its atmosphere?

What is Netune and Uranus

300

Which solar body is commonly referred to as a "shooting star"?

What is a meteor

400

Which of the following is not found in our solar system? 

A. 8 planets

B. North Star

C. Sun

D. Asteroids and comets

What is B. North Star

400

What layer of the sun means visible light and moves by radiation? 

What is the Photosphere

400

Mar's polar ice caps are mostly made of what? 

What is frozen carbon dioxide (Dry ice) 

400

What two things do the outer planets all share in common besides being gas planets? 

What are moons and rings

400

Many of what objects move between Mars and Jupiter?

What are asteroids

500

The solar system consists of what general obejcts? 

What is the Sun, 8 planets, moons, comets, and asteroids. 
500

What object in our solar system has the most mass and therefore most of the gravity in the solar system?

What is the Sun 

500

What planet is the smallest, closest to the sun, and can get hotter than 420*C or (788*F) 

What is Mercury

500

What planet is the largest planet and is more than 10 times larger than Earth in diameter? 

What is Jupiter

500
A small, rocky or metal body traveling in outer space. 

What is a meteoriod

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