Exam 1 questions - Tami-li Negus Biology 1010 Exam 1...

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Tami-li Negus Biology 1010 Exam 1 Questions 6. Reliable Research Tools: The different tools or steps scientists use to conduct and document research are as follows: a. Observation b. Hypothesis c. Experiments/Further Observations to collect data d. Form a conclusion If the hypothesis is support, further work can continue towards a scientific theory. If not, they start again. Correlation does not necessarily mean causation. 17. A molecule is a group of atoms of the same element held together through different chemical bonds. A compound is a molecule that contains more than one element. 21. An atoms degree of reactivity depends on the number of electrons in the outer valence shell. If an atom has 2 electrons in the outer (negatively charged), and they give them up, the atom becomes more positively charged. 24. Acids/Bases An acid releases hydrogen ions when dissolved in water, which lowers the pH level by increasing the concentration of hydrogen ions A base has a lower concentration of hydrogen ions and a higher concentration of
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Exam 1 questions - Tami-li Negus Biology 1010 Exam 1...

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