Why does Earth have different seasons? 

• because of the distance between Earth and the sun 
• because of the speed of Earth as it rotates on its axis 
• because of the amount of light blocked by the moon on its axis 
• because of the tilt of Earth on its axis as it moves around the sun 

lost its planet status in 2006 

• Mercury
• Pluto

huge volcanoes with craters on surface and is half as big as Earth

• Mercury
• Venus
• Mars

How is Jupiter able to have so many moons orbiting it?

• it's orbit
• it's distance from the Sun 
• it's speed
• it's gravitational pull 

The four terrestrial planets all have

• Rocky surfaces
• Hot temperatures
• Deep atmospheres
• Large size

What planet is colder?

• Mercury
• Earth
• Jupiter
• Neptune

The sun is a...

• planet
• star
• asteroid

What planet has the greatest gravitational force?

• Jupiter
• Earth
• The Sun
• Uranus

What is the massive object the planets of our solar system orbit?

• Venus
• Earth
• Jupiter
• The Sun

A __________ is a chunk of ice & dust that has a bright head & a long narrow tail.

• asteroid
• planet
• meteoroid
• comet