![]() ![]() I chose strawberries because they are easy to manipulate and they contain a large genome. ![]() ![]() The purpose of this experiment is to extract DNA from strawberries.Pre-Lab Objec ve _ _ Materials and Chemicals-Not Applicable in this Lab Guiding/Pre-Lab Ques ons: Living things View Ionic Bonding Lab - Google Docs.pdf from SCIENCE 8 at Allen High School.NOTE: An important part of your lab grade is whether you left your lab station the way you found it, with all glassware cleaned and materials disposed of properly!!!! Teacher Demonstration: Using samples of iron and sulfur mixtures collected from the students in step 5. Thanks, and good luck at your competition! Sample Questions Set 1 (from 2009) | Sample Questions Set 2 (from 2012) | Sample Questions Set 3. The files below should be used as a resource for sample questions, not sample answers. Please note: as fields of science advance, the answers to some of the questions change. Below are sample questions used at the regional competitions in previous years.Draw a Bohr model of an oxygen atom in first box and a hydrogen atom in the second. How is a compound different from a molecule? 4. Which is larger, an atom or a molecule? Explain. What small particle makes up all substances? 2. Unit 2 Review - There is a question bank of 75 questions, and 35 questions will be randomly selected each time you start the review. Unit 2 Standards Fill-in Review - This activity is outdated for the purpose of Unit test preparation. ![]()
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