Editing 1800 Primary science multiple choice questions

Dear Freelancers, We require Science Teachers/ experts to edit and reword 1800 science multiple choice questions and also indicate the correct answer for each question in the answer key. Grade 3 – 450 multiple choice questions - will be provided Grade 4 - 450 multiple choice questions - will be provided Grade 5 - 450 multiple choice questions - will be provided Grade 6 - 450 multiple choice questions - will be provided [login to view URL] would be required to reword and edit each Multiple choice question (MCQ) and its 4 choices. [login to view URL] would need to have very good writing skills and an impeccable usage of grammar. [login to view URL] key for each grade will have to be prepared. [login to view URL] submission for each grade will be in MS word format with an answer key in the end. Topic of the problem will have to be mentioned on top of every page. Rest of the details will be discussed prior to commencement of the project. [login to view URL] should be willing to accept feedback if we require any changes to your output prior to submission of the final file. [login to view URL] submission of the final file, it’ll take about 5 days to process the last milestone payment as we’ll need to verify by proofreading that you correctly wrote all the answers and followed all the requirements. You will be requested to sign a non-disclosure form as all discussions/emails regarding the project are confidential. You will not be entitled to any copyright rights of the questions and solutions. Only serious bidders should bid as we need high quality output and a fast turnaround. 2 Sample question to be edited and submitted while bidding: [login to view URL] had 2 jars of the same size. He exhaled into 1 of the jar and then put in a lighted candle X. He put a similar lighted candle Y into the other jar. Which of the following reponses best explains what should happen? 1. Candle Y goes out later as its jar contains less water vapour than the other jar 2. Candle X goes out first as its jar contains less oxygen than the other jar 3. Candle Y goes out first as its jar contains more oxygen than the other jar 4. Both candles go out at the same time as their jars do not contain enough oxygen for burning [login to view URL] lighted a candle and placed a glass jar over it. After a while the lighted candle died out. What could be a possible explanation? 1. There was no more air in the jar 2. The candle has completely burned out 3. The amount of nitrogen gas has increased 4. The oxygen gas in the container has been used up In the expected output you would be required to change the language of the question and its options. Thanks for your interest and Best Regards.