Discovering the Universe

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

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

• gas
• metal
• water
• rock

Which is the largest object in our solar system?

• Sun
• Jupiter
• Earth
• Pluto

A ball of ice and dust with a tail of gas and dust pointing away from the sun.

• Asteroid
• Comet
• Moon
• Meteor

Which is the second closest planet to the sun?

• Earth
• Saturn
• Venus
• Mercury

Which planet is third from the sun?

• Mars
• Pluto
• Venus
• Earth

Which planet is NOT one of the

"Gas Giants"?

• Uranus

• Venus

• Neptune

• Saturn

What is the largest planet in

our solar system?

• Neptune

• Jupiter

• Uranus

• Mars

Select the order from smallest to largest.

• Sun, Milky Way, solar system, universe
• Sun, Milky Way, universe, solar system
• Sun, solar system, Milky Way, universe
• Sun, solar system, universe, Milky Way