solar system

The closest four planets are called the ________ planets.

• inner

• outer

The center of our solar system is the....

• Earth

• Sun

• Moon

• Asteroid belt

The furthest four planets are called the _______ planets.

• inner

• outer

Mercury, Venus, Earth, and Mars are known as _____________ planets.

• rocky

• gaseous

The gaseous planets are much larger than the rocky planets.

• True

• False

Tags

NGSS.MS-ESS1-3

___________ are objects made of ice, dust, and rocks that orbit the Sun.

• dwarf planets

• comets

• Asteroid belt

• Kuiper belt

• Oort Cloud

Tags

NGSS.MS-ESS1-3

The _______ exists much further out than the Kuiper belt and is at the very edge of the Solar System. Scientists believe it is made up of thousands of small ice objects.

• dwarf planets

• comets

• Asteroid belt

• Kuiper belt

• Oort Cloud

Scientists who study the solar system and outer space are called ______________.

• astronomers

• astronauts

Tags

NGSS.MS-ESS1-3

The inner and outer planets are separated by the __________.

• asteroid belt

• moon

• comets

• dwarf planets

How many moons does Earth have?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-ESS1-1