Space

What is the center of our Solar System?

• Earth

• the moon

• the sun

All of the objects in our Solar System orbit the sun.

• True

• False

How many planets are in our Solar System?

• 7

• 8

• 9

The inner planets (Mercury, Venus, Earth, and Mars) are made of--

• rocks

• gas

• helium

The outer planets (Jupiter, Saturn, Uranus, Neptune) are made of --

• gas

• rocks

• water

What is the third planet from the Sun?

• Mercury

• Venus

• Earth

Which planet in our solar system is closest to the Sun?

• Earth
• Jupiter
• Mercury
• Saturn

Which of the following is an accurate model of how the Sun, Earth, and Moon move?

• Sun and moon orbit Earth

• Earth and moon orbit Sun

• Earth orbits the Sun and the moon orbits Earth

• Earth and sun orbit moon

What planet is eighth in the Solar System?

• Uranus
• Jupiter
• Neptune
• Mars

Earth and the other planets closest to the Sun are made mostly of _______

• gas
• metal
• water
• rock