Geoscience Unit 2 and Unit 3 test

Which of these is the smallest?

• Universe

• Galaxy

• Solar system

• Planet

Which of these is the largest?

• universe

• galaxy

• solar system

• planet

How many stars are in our solar system?

• 1

• 2

• 45

• millions

Why is Venus sometimes referred to as "Earth's Twin"?

• It is the closest planet to Earth.

• It shines very brightly in the night sky.

  
  

• It is similar to Earth in size and mass.

  
  

• It's the best choice for an off-planet colony.

  
  

Which object listed below does NOT belong in the solar system?

• moons

• planets

• Asteroids

• Nebula

Which statement below best describes Mercury's temperature?

• Really hot on the daytime side, really cold on the nighttime side.

• Really hot all the time.

• Really cold on the daytime side, really hot on the nighttime side.

• Really cold all the time.

Venus has a very thick atmosphere.  How does this affect the planet?

• 
  It rains all the time on Venus.

• It is windy all the time on Venus.

  
  

• The thick atmosphere causes volcanoes to constantly erupt.

  
  

• The atmosphere holds in heat from the Sun, meaning it is constantly VERY hot on Venus.

What is Jupiter's great red spot?

• A volcano.

  
  

• A storm, similar to a hurricane on Earth.

  
  

• An effect of Jupiter's massive gravity.

  
  

• A tunnel into Jupiter's interior.

  
  

Which planets have the following characteristics:

Gas giants

varying ring systems

190 moons altogether

• Inner planets

• Outer planets

Which planets have the following characteristics:

terrestrial

greater density

fewer moons

slower rotation time

smaller

• outer planets

• inner planets