Space Practice Test

The average distance between the earth and the sun is the

• astronomical unit

• Light year

• parsec

• kilometer

What is a light year?

• Equal to 26 weeks, half a normal year. 
  
• The time it takes to travel to another galaxy.
  
• Distance that light travels through space in one year.
  
• The miles it takes to travel around the solar system.

Why do we use light years and astronomical units to measure distances in space?

• Scientists want to sound smart.
  
• Hubble discovered these units and wanted to use them.
  
• Space is too small to use km, it wouldn't make sense.
  
• Space is too vast to use traditional units, like km.

If an object is 7.4 light years away from Earth, what does this tell you?

• It would take 7.4 minutes for the light to get to Earth.
  
• Traveling at the speed of light takes 7.4 yrs to get here.
  
• The object is very close to Earth.
  

What is the speed of light?

• 300,000 km per second
• 300, 000 km per hour
• 300, 000 meter per second
• 300, 000 meters per hour

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The apparent shift in the position of an object when viewed from different locations is called 

• Retrograde motion
• Parallax 
• Triangulation
• Precession

An arcsecond of parallax is know as a parsec and is equal to __________.

• 3.26 light years
• 3.26 astronomical units
• 100 light years
• 100 astronomical units

Tags

NGSS.MS-ESS1-3

Which direction does a comet's tail always point?

• toward the sun
• away from the sun

The Oort Cloud & Kuiper Belt is commonly home to ___.

• comets
• asteroids
• meteoroids
• meteors

Where is the asteroid belt located?

• past the orbit of Neptune
• between Mars & Jupiter
• surrounding our solar system
• between Earth & Mars