• In the white boxes below, type the words you hear. You will hear each word twice.
       (Remember to use the correct spelling and capital letters, etc.).
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.

1. new things about the
2. a " cocktail" of chemicals
3. kill any living
4. the of the chemicals
5. in the
6. UV
7. The tested what happens
8. to kill
9. Our show
10. harmful to cells
11. their research was further
12. much of the surface and near-surface

Back to the life on Mars lesson.

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