Topics: Chemistry / Pages: 6 (1459 words) / Published: Jun 15th, 2011

1. The science that tackles the study of matter, its structure and the changes in composition that matter undergoes is
a. Astrology c. Ecology
b. Chemistry d. Physics
2. When a chemist performs an experiment, the quantity that is being tested is the
a. control c. theory
b. law d. variable
3. Juan is comparing how many kilos of rice can be contained in a sack. What process is he doing?
a. counting c. measurement
b. interpolation d. testing
4. After making an observation and proposing a hypothesis, the next step that a scientist should do is to
a. form a conclusion c. analyze the data gathered
b. do another experiment d. state the conclusion
5. A famous chemist has these words: “One may take it for granted that in every reaction there is an equal quantity of matter before and after.” He was able to establish the science of Modern Chemistry. Who was this famous chemist?
a. John Dalton c. Robert Boyle
b. Alexander Fleming d. Antoine Lavoisier
6. Jack and Rose gather information using their five senses. What are they doing?
a. stating their conclusion
b. gathering data through observation
c. formulating hypothesis based on the gathered data
d. measuring the exact quantity compared to the other quantities
7. The statement “Mercury is denser than water” is a ___________.
a. law c. theory
b. fact d. problem
8. During an experiment, one tries to form his/her theory as quickly as possible. This process is called _____________.
a. data-gathering c. hypothesizing
b. generalizing d. observing
9. Which of the following statements is CORRECT?
a. A scientist’s good characteristics include open-mindedness, honest, perseverance and curiosity.
b. Only the most brilliant people like scientists can make discoveries
c. Scientists must follow a strict plan in order to make a successful result
d. All of the above
10. In what manner is chemistry of immediate use

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