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Question 1 1. Many bacterial species live within the digestive systems of humans. They benefit by acquiring nutrients from the human's diet while helping their hosts absorb some vitamins, like vitamin K. The type of relationship that exists between these microbes and the humans they live in is referred to as:
Question 2 2. Students conduct a dissection of a fetal pig using scalpels. At the end of the lab, what is the proper procedure for disposing of the used blades?
Question 3 3. Which of the following best explains the cause of the phases of the moon?
Question 4 4. Which of the following features is likely to form when tectonic plates made of oceanic and continental crust converge?
Question 5 5. A Master Science Teacher observes a novice teacher in the classroom. After the observation, the two sit down together and debrief the lesson. Which of the following is the least likely topic that will be discussed in this meeting?
Question 6 6. An elementary teacher is planning a unit on energy conversions. Which of the following would be the most appropriate example for introducing the topic to these students?
Question 7 7. Which of the following diagrams correctly illustrates what happens to light rays as they pass through a diverging lens?
Question 8 8. A rocket in space is moving at a velocity of 5 km/s when its engine stops working. What best describes the motion of the rocket after the engine loss?
Question 9 9. Which of the following scenarios best fits the pattern displayed on the time-speed graph?
Question 10 10. New science standards are being introduced in the upcoming school year. What is the best way for a Master Science Teacher to support the novice teachers in their department?
Question 11 11. What scientist determined that infectious organisms do not arise from spontaneous generation?
Question 12 12. The offspring of a cross between one homozygous dominant plant and one homozygous recessive plant are mated. What is the expected phenotypic ratio for their offspring?
Question 13 13. A cell is placed in a hypotonic solution. Which of the following describes what will happen to the cell?
Question 14 14. What best describes the bond that forms between the atoms in SF2?
Question 15 15. For a unit on science and technology, student performance is determined using peer assessment. This type of assessment helps students practice skills required for real-world _____.
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