Mercury

What is Mercury?

• A moon in our solar system
  
  

• A planet in our solar system

• A star in our galaxy

What makes Mercury different from the other planets?

• It is the farthest from the Sun
  

• It is the smallest and closest to the Sun

• It is the only planet with rings

How many moons does Mercury have?

• One

• Two

• Zero

Why was Mercury named after a Roman god?

• 
  It is the brightest planet in the sky
  
  

• It moves quickly around the Sun, like the Roman messenger god

• It is the largest planet in the solar system

How big is Mercury compared to Earth?

• It is the same size as Earth
  
  

• It is about 18 times smaller than Earth

• It is twice as big as Earth

How long is one full day on Mercury?

• 24 Earth hours

• 88 Earth days

• 176 Earth days

What is Mercury mostly made of?

• Ice and water

• Light gases

• Heavy materials like iron

How often does Mercury orbit the Sun?

• Once every 88 Earth days

• Once every 176 Earth days

• Once every 365 Earth days

What does the surface of Mercury look like?

• It is covered in water and ice
  
  

• It looks like Earth's Moon, covered in craters

• It has large forests and mountains

What caused the craters on Mercury’s surface?

• Earthquakes

• Rocks falling from space at high speed

• Lava from volcanoes