CHP 2 QUIZ 1

Except for the sun, spheres called ____________ are the largest objects in the solar system. 

• Planets
• Stars
• Galaxies
• Nebulas

________________ is the largest of the inner planets in the solar system.  

• Venus
• Mars
• Earth
• Mercury

The air we breathe is part of Earth’s ____________________ , a thin layer of gasses extending above the planet’s surface.  

• biosphere

• atmosphere

• lithosphere
• hydrosphere

___________________, made of icy dust particles and frozen gasses, look like bright balls with long, feathery tails.  

• Stars
• Planets
• Asteroids
• Comets

 Land makes up a part of the Earth called the _____________________ .  

• Atmosphere
• Hydrosphere
• Lithosphere
• Biosphere

In 1908 a huge area of forest in the remote Russian region of ___________________ was flattened and burned by a mysterious fireball. 

• Siberia
• Amazon
• Alaska
• Greenland

_________________________are pieces of space debris – chunks of rock and iron.  When they occasionally enter Earth’s atmosphere, friction usually burns them up before they reach the Earth’s surface.  

• Asteroids
• Meteoroids

• Comets
• Satellites

____________ planets are small round bodies that orbit the sun, but do not have enough gravity to have cleared the area around their orbits of other orbiting bodies, thus making them too small to be considered planets. 

• Dwarf
• Giant
• Gas
• Rocky

About ___________ percent of our planet's surface is water. 

• 60

• 50
• 80
• 70

The highest point on Earth is in South Asia at the top of ________________________________ , which is 29,028 ft above sea  level. 

• K2

• Mount Everest

• Kangchenjunga
• Lhotse