Solar System

Models of the solar system with Earth at the center are called _____________________ models.

• geocentric

• heliocentric

• terrestrial

• none of the above

Models of the solar system with Sun at the center are called _____________________ models.

• geocentric

• heliocentric

• terrestrial

• none of the above

Tags

NGSS.MS-ESS1-1

How many known planets are in our solar system?

• 4

• 7

• 8

• 9

What dwarf planet was downgraded from planetary status in 2006?

• Mercury

• Uranus

• Neptune

• Pluto

According to the nebular theory, did the planets start forming before or after the Sun ignited?

• The planets started forming during the time the Sun ignited.

• The planets started forming before the Sun ignited.

• The planets started forming after the Sun ignited.

Tags

NGSS.HS-ESS1-6

What happens to the amount of the Sun's mass as it "burns"?

• The mass of the Sun is constant.

• It is converted into kinetic energy of the Sun.

• It is converted into radiant energy.

• It is converted into gravitational energy.

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

What is the age of the Sun?

• Nearly 5 billion years old.

• Nearly 500 million years old.

• Nearly 1 billion years old.

• Nearly 10 billion years old.

Tags

NGSS.HS-ESS1-1

Where is the Sun located when you view a full Moon?

• During a full Moon, the Sun, Earth, and the Moon are lined up, with Earth in between.

• During a full Moon, the Sun, the Moon, and Earth are lined up, with the Moon in between.

• During a full Moon, the Moon, the Sun, and Earth are lined up, with the Sun in between.

• During a full Moon, the angle between the Sun, the Moon, and Earth is 90∘.

Tags

NGSS.MS-ESS1-1

Why don't eclipses occur monthly, or nearly monthly?

• Eclipses occur each time when the Moon is located at the intersection of the Moon's orbital plane and Earth's orbital plane, which is relatively rare event.

• Eclipses occur only when the Moon is located at the intersection of the Moon's orbital plane and Earth's orbital plane, and the angle between the Sun, the Moon, and Earth is 90∘, which is relatively rare event.

• Eclipses occur only when the Moon is located at the intersection of the Moon's orbital plane and Earth's orbital plane, and the Sun is located on the same line with Earth and the Moon, which is relatively rare event.

• None of the above.

Tags

NGSS.MS-ESS1-1

Between the orbits of what two planets is the asteroid belt located?

• The asteroid belt is located between the orbits of Earth and Mars.

• The asteroid belt is located between the orbits of Jupiter and Saturn.

• The asteroid belt is located between the orbits of Saturn and Uranus.

• The asteroid belt is located between the orbits of Mars and Jupiter.

Tags

NGSS.HS-ESS1-4