Astronomy 6th Grade

What is the estimated age of the universe?

• About 12,000,000 years 
• About 14,000,000 years
• About 10,000,000 years
• About 25 years

True or false: The universe is expanding

• True
• False

Which is true?

• The universe started out as it is now
• The universe used to be as small as a period at the end of a sentence
• The universe began as a galaxy, then grew by solar energy
• The universe has always been this way, and will never grow

Which is an example of a spiral galaxy?

• Milky Way
• Snickers
• The Spiral
• Jupiter

Which of the following is an elliptical Galaxy?

• Milky Way
• A galaxy with a roundish, and a very easy to identify shape
• A galaxy with a spiral shape, all appearing around one light source
• Star Wars

True or false: An irregular galaxy fits into no other categories

• False
• True

Which letter is our solar system in the Milky Way galaxy?

• A
• B
• C
• D

Planets move in an orbit because of ______ & _______

• Lines & Stars
• Wind & Cloud
• Inertia & Gravity
• Motion & Inertia

What is the geocentric view of the galaxy?

• Earth is in the middle
• The sun is in the middle
• Mars is in the middle
• Earth is on the side of the sun

Heliocentric view equals...

• Mars is the center of the system
• Earth is in the middle of the solar system
• The sun in the center of the solar system
• The sun is the outermost layer of our solar system