Quiz on the Solar System and Cosmic Theories

How many planets are in the Solar System?

• Six

• Seven

• Eight

• Nine

What is at the center of the Solar System?

• Sun

• Mars

• Earth

• Moon

Which theory explains the formation of the Solar System?

• Vortex Theory

• Gravity Theory

• Relativity Theory

• Evolution Theory

What do comets, meteors, and asteroids have in common?

• They are all celestial bodies

• They are all stars

• They are all planets

• They are all moons

Which of the following is NOT a theory about the Universe's formation?

• Collision Theory

• Tidal Theory

• Gravity Theory

• Nebular Theory

What is the main difference between comets and asteroids?

• Asteroids are larger than comets

• Comets are made of ice, asteroids are not

• Asteroids are found in the Kuiper Belt, comets are not

• Comets orbit the Sun, asteroids do not

Which of the following is a source for information on asteroids?

• NASA’s Solar System Exploration

• National Geographic

• Encyclopedia Britannica

• Scientific American

What is the purpose of the lesson objective CO3?

• To learn about the Sun

• To understand gravity

• To compare comets, meteors, and asteroids

• To study the planets

Which theory suggests that the Solar System formed from a rotating cloud of gas and dust?

• Nebular Theory

• Collision Theory

• Vortex Theory

• Tidal Theory

What are meteors also known as when they reach the Earth's surface?

• Planets

• Asteroids

• Comets

• Meteorites