(TCO 1 ) You notice that more children are dropped off at school on cold, rainy days than on warm, sunny days. This is an example of a(n) _____.

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BIOS 135 Foundations in Biology and Chemistry w/Lab Quiz 1 Answers

 

  1. (TCO 1 ) You notice that more children are dropped off at school on cold, rainy days than on warm, sunny days. This is an example of a(n) _____.
  2. (TCO 1) Each of the following is a testable hypothesis, except
  3. (TCO 2) A snack size bag of cheese crackers contains 20 g of carbohydrate. How many kcal are obtained from the carbohydrate in the crackers?
  4. (TCO 2) Which of the following involves a change of state?
  5. (TCO 2) Which of the following is a physical property of both liquids and solids?
  6. (TCO 2) Which quantity of heat is needed to melt 80.0 g of ice at 0° C?
  7. (TCO 2) Which particles are found in the nucleus of an atom?
  8. (TCO 2) Which of the following is not an example of a pure substance?
  9. (TCO 2) Which of the following statements about the periodic table is correct?
  10. (TCO 2) An isotope of chlorine has a mass number of 37. How many neutrons are present in this isotope?
  11. (TCO 1) You pour a large bag of M&Ms in a bowl. Your favorite color is green, so you want to eat a green M&M. However, after searching through the bowl of M&Ms, you do not find a single green M&M. Propose a way you could apply the scientific method to determine if green M&Ms are still being produced. Be sure to clearly identify and address all four steps of the scientific method in your answer.