Whats in the Universe? #1

Gap Filling Quiz

Fill in all the gaps by dragging the words in the top bar to their correct places.
Correct answers will appear in green and incorrect answers will appear in red.
lncorrect answers may be corrected by dragging the correct word to its place in the paragraph.
   energy      helium      light      meteors      Milky      night      stars   
The Universe contains galaxies, stars, black holes, planets, comets and .
A star is a huge ball of gas, mostly hydrogen and .
Nuclear fusion reactions inside the star release enormous amounts of .
Stars are very hot and give off their own .
This is why we can see the Sun during the day, and distant stars in the sky.
A galaxy is a large group of many millions of .
Our Sun is just one of at least 200 billion stars in our galaxy, the Way.