Planets

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

• Be in orbit around a star

• Have enough mass to be spherical

• Be larger than Earth’s moon

• Dominate its orbit

Why is Pluto no longer a planet?

• It is smaller than Earth’s moon

• It is not spherical

• It does not dominate its orbit

• It does not orbit our Sun

Which planet is the largest?

• Neptune

• Jupiter

• Mars

• Venus

Tags

NGSS.MS-ESS1-3

Which of the following planets is a gas giant?

• Earth

• Mars

• Jupiter

• Venus

What is one difference between moons and planets?

• Moons orbit planets

• Moons have atmospheres

• Moons are larger

• Moons have rings

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

• A) Be in orbit around a star

• B) Have enough mass to be spherical

• C) Be larger than Earth's moon

• D) Dominate its orbit

Fill in the blank: The largest planet is ______.

• Neptune

• Jupiter

• Mars

• Venus

Tags

NGSS.MS-ESS1-3

Fill in the blank: Terrestrial planets are all ______.

• Similar rotational period

• Similar average temperature

• Rocky

• A, B, and C are all correct

What causes matter to clump together to form planets?

• Gravity

• Wind

• Water

• Light

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the main reason terrestrial planets lose most of their gas?

• They are too hot

• They are too small

• The local star blows it away

• They have no core.