The Sun

A ________________ is group of related things that work together as a whole

• Star

• System

• Atmosphere

• Economy

TRUE OR FALSE:

Our solar system includes: comets, asteroids, dust, and gas

• TRUE

• FALSE

Our solar system is located in...

• The Big Dipper

• The Little Dipper

• The Milky Way

• The Andromeda Galaxy

A ________________ is a huge collection of gas, dust, billions of stars, and their solar systems, all held together by gravity

• Solar system

• Galaxy

• Atmosphere

• Solar eclipse

All planets orbit around a ___________

• Sun

• Galaxy

• Banana

• Star

Our star is called The Sun, or _______

• Sur

• Sel

• Syre

• Sol

The formation of the Milky Way began around ___ billion years ago

• 12

• 13

• 14

• 15

The galaxy was created by a solar nebula made from huge clouds of...

• Gas and dust

• Gas and smoke

• Asteroids and comets

• Asteroids and meteorites

The sun makes up about __% of the mass of our entire solar system

• 96.8%

• 97.8%

• 98.8%

• 99.8%

The sun is made up of ____ and ____

• Carbon and oxygen

• Nitrogen and phosphorus

• Hydrogen and helium

• Iron and calcium