Solar System: Inner Planets

Which of the following is not considered an inner planet of our solar system?

• Mercury

• Venus

• Jupiter

• Mars

What does our solar system consist of?

• The Sun, eight planets, and their respective satellites

• Only the Sun and the Moon

• Nine planets and their moons

• Only stars and galaxies

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

What are examples of interstellar debris in our solar system?

• Stars and galaxies

• Asteroids, meteors, comets

• Planets and moons

• Black holes and quasars

What are the electrically charged gases in the solar system called?

• Gas clouds

• Plasma

• Vapor

• Mist

Tags

NGSS.MS-PS2-3

What is the estimated size of the solar system in Astronomical Units (AU)?

• 50 AU

• 75 AU

• 105 AU

• 150 AU

Tags

NGSS.MS-ESS1-3

What percentage of the Sun is made up of Hydrogen?

• 71%

• 26.5%

• 2.5%

• 50%

What is the temperature of the Sun's core?

• 15 million degrees Celsius

• 10 million degrees Celsius

• 20 million degrees Celsius

• 5 million degrees Celsius

How long do the Sun's rays take to reach the Earth?

• 8 min 16.6 sec

• 7 min 20 sec

• 9 min 30 sec

• 10 min 5 sec

What is the source of the Sun's energy?

• Nuclear fusion

• Nuclear fission

• Chemical reaction

• Solar wind

Tags

NGSS.HS-ESS1-1

Which planet is the smallest in our Solar System?

• Venus

• Mars

• Mercury

• Earth

Tags

NGSS.MS-ESS1-3