Rewrite the following passage in the passive:

1 ) Our school is organising a Science Fair . The headmaster will choose the best project.The teachers have asked students to do something about the environment.Students should include interesting experiments in their projects.The school will give the winners a set of Science books.

- A Science Fair is being organized by our school. The best project will be chosen by the headmaster. Students have been asked to do something about the environment. Interesting experiments should be included in their projects. The winners will be given a set of Science books.

2 ) Someone found a skeleton in cave in the mountains yesterday.They have sent it to a laboratory.Scientists were examing it all through the night.They have discovered that it's the skeleton of a dinosaur from thousands of years ago.They are still doing tests.They're going to send it to a museum when they have completed the tests.

- A skeleton was found in a cave in the mountains yesterday. It was sent to a laboratory. It was examined by scientists all through the night. The skeleton belonged to a dinosaur from a thousands of years ago. Tests are still being done. The skeleton will be sent to a museum when the tests are completed.