Crossword

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Across
  1. 3. It's a system that is in your body that involves your lungs, breathing.
  2. 5. You can do something without doing anything else
  3. 7. Things that you can blow up or make it go bam scientists do these type of things
  4. 8. People who like to research things
  5. 9. It's a system that is in your body that involves your heart, veins, blood, blood cells, and blood vessels.
  6. 10. An element found in all things but particularly coal
Down
  1. 1. Things you can read, watch or write e.g. how does a cat walk
  2. 2. A large mammal with short legs and heavy hairless body that lives around lakes and rivers in Africa
  3. 4. Someone who is studying, especially at school, college or university
  4. 6. Some think that is getting bigger or larger