Understanding Pluto and Dwarf Planets

What significant change happened to Pluto's status in 2006?

• It was declared the largest planet.

• It was reclassified as a dwarf planet.

• It was discovered to have rings.

• It was found to be a satellite.

What is a key characteristic of a dwarf planet?

• It must have a moon.

• It must be the largest object in its orbit.

• It must be able to clear its orbit.

• It must orbit the Sun and have a round shape.

Which of the following is NOT a requirement for a celestial body to be classified as a planet?

• It must have a satellite.

• It must clear the neighborhood around its orbit.

• It must have a round shape due to gravity.

• It must orbit the Sun.

How does Pluto's orbit compare to Neptune's?

• Pluto's orbit is always closer to the Sun than Neptune's.

• Pluto and Neptune have the same orbital path.

• Pluto's orbit sometimes brings it closer to the Sun than Neptune.

• Pluto's orbit is always further from the Sun than Neptune's.

How long does it take Pluto to complete one orbit around the Sun?

• 365 days

• 100 years

• 248 years

• 500 years

What is the average distance of Pluto from the Sun?

• 3.6 billion miles

• 36 billion miles

• 360 million miles

• 36 million miles

What is the temperature range on Pluto?

• -100°F to 0°F

• -380°F to -400°F

• -200°F to -100°F

• 0°F to 100°F

How does Pluto's size compare to Earth's moon?

• Pluto is larger than Earth's moon.

• Pluto is the same size as Earth's moon.

• Pluto is smaller than Earth's moon.

• Pluto is twice the size of Earth's moon.

If you weigh 120 pounds on Earth, how much would you weigh on Pluto?

• 120 pounds

• 60 pounds

• 18 pounds

• 12 pounds

What is a unique feature of Pluto's gravity?

• It is twice as strong as Earth's gravity.

• It is stronger than Earth's gravity.

• It is the same as Earth's gravity.

• It is weaker than Earth's gravity.