How many planets are in the solar system?

• 3

• 9

• 8

• 12

Tags

NGSS.MS-ESS1-3

What are the names of the planets in order from closest to the sun to the furthest away?

Tags

NGSS.MS-ESS1-1

True or false: The rotates, or spins, about its axis.

• True

• False

Tags

NGSS.MS-ESS2-6

Geocentric means:

• The solar system revolves around the sun

• The solar system revolves around the earth

• The solar system revolves around the moon

• None of the above

Heliocentric means:

• The earth is the center of the solar system

• The sun is the center of solar system

• The moon is the center of the solar system

• None of the above

Tags

NGSS.MS-ESS1-1

Which planets are the rocky inner planets? (check each right answer)

• Mercury, Venus

• Earth, Mars

• Jupiter, Saturn

• Uranus, Neptune

• Pluto, Ceres

How many moons have been discovered in our solar system?

• 200

• 180

• 79

• 362

What is the difference between an asteroid and a meteoroid?

Most asteroids are found in the space between _____ and Jupiter, and in the _____ belt.

What are comets made of?

• dust and ice

• plasma and gas

• water and steam

• rock and radiation