Grade 3, Theme 3, Visitors from Space

Vocabulary Words

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   fluorescent      force      loops      nucleus      particles      solar wind   
1. The light was very bright.
2. The of the magnet made the paper clips to move.
3. The birds were flying in .
4. The of the comet is always in the center.
5. The scientist said that there were moon on the asteroid.
6. The streams off of the Sun in all directions.